GB 27791-2011
城镇燃气调压箱
City gas pressure regulating installation
- 实施日期
- 2012-11-01
- ICS 分类
- 91.140
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB 27791-2011
City gas pressure regulating installation
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City gas pressure regulators
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