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    "厂家详情同时写有尼龙和全金属锁紧，标准对应关系待核实，不将其直接转为统一标准字段。"
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    "notes": "本次直接打开超时，采用搜索引擎中的官网索引；应重新抓取核实。",
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      },
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        }
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          "rowspan": 1
        },
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          "text": "M3-M30",
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          "rowspan": 1
        }
      ],
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        {
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          "rowspan": 1
        },
        {
          "text": "普通/黑色/镀锌/HDG/达克罗/等等",
          "colspan": 1,
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  "updated_at": "2026-09-11T02:43:24.298Z",
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        "url": "https://www.shkajing.cn/nuts/companies/jl.html"
      },
      {
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        "manufacturer": {
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        },
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        "url": "https://www.shkajing.cn/nuts/jl-nylon.html",
        "inLanguage": "zh-CN",
        "mainEntity": {
          "@id": "https://www.shkajing.cn/nuts/jl-nylon.html#product"
        },
        "publisher": {
          "@id": "https://www.shkajing.cn/nuts/companies/jl.html#organization"
        },
        "isBasedOn": "http://www.jlnut.cn/cn/product/hex-nylon-nuts/94.html",
        "hasPart": {
          "@id": "https://www.shkajing.cn/nuts/data/jl-nylon.json#dataset"
        }
      },
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        "url": "https://www.shkajing.cn/nuts/data/jl-nylon.json",
        "about": {
          "@id": "https://www.shkajing.cn/nuts/jl-nylon.html#product"
        },
        "description": "厂家公开资料；未知参数保留在原始JSON中，参考标准与厂家事实分开。",
        "distribution": {
          "@type": "DataDownload",
          "encodingFormat": "application/json",
          "contentUrl": "https://www.shkajing.cn/nuts/data/jl-nylon.json"
        },
        "isBasedOn": "http://www.jlnut.cn/cn/product/hex-nylon-nuts/94.html"
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  },
  "organization_url": "https://www.shkajing.cn/nuts/companies/jl.html",
  "page_path": "/nuts/jl-nylon.html",
  "data_path": "/nuts/data/jl-nylon.json",
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  "property_class": null,
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    "property_class": null,
    "surface_treatment": null,
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    "application": null,
    "features": [
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          "note": "非空基础字段均来自此页；标准按厂家原文记录，不表示已核验版本或等效关系。",
          "scope": "仅据该产品名称或范围归纳；没有推断性能数值。",
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          "collected_on": "2026-09-11",
          "verification": "manufacturer_claim_unverified",
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        },
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}