发布时间:1981-10-01
实施时间:1981-10-01
CB/T 23-1999
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[CBM 90-1981] 法兰青铜闸阀[已作废]
发布时间:1981-07-01
实施时间:1981-07-01
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[CBM 91-1981] 法兰铸铁闸阀[已作废]
发布时间:1981-07-01
实施时间:1981-07-01
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[CBM 92-1981] 法兰铸钢闸阀[已作废]
发布时间:1981-07-01
实施时间:1981-07-01
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[CBM 1125-1982] 16kgf/cm2青铜旋塞[已作废]
发布时间:1981-07-01
实施时间:1981-07-01
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发布时间:1981-05-01
实施时间:1981-05-01
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发布时间:1981-01-01
实施时间:1981-01-01
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[GB 599-1980] 船用外螺纹青铜泄放填料旋塞[已作废]
发布时间:1981-01-01
实施时间:1981-01-01
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发布时间:1980-10-01
实施时间:1980-10-01
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发布时间:1980-10-01
实施时间:1980-10-01
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[GB 598-1980] 船用外螺纹青铜填料旋塞[已作废]
发布时间:1980-05-15
实施时间:1981-01-01
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发布时间:1979-01-01
实施时间:1979-01-01
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发布时间:1977-07-01
实施时间:1977-07-01
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[CB 467-1976] 法兰青铜闸阀[已作废]
发布时间:1977-01-01
实施时间:1977-01-01
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[CB 466-1976] 法兰铸钢闸阀[已作废]
发布时间:1977-01-01
实施时间:1977-01-01
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[CB 851-1976] 法兰球铁闸阀[已作废]
发布时间:1977-01-01
实施时间:1977-01-01
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发布时间:1968-01-01
实施时间:1968-01-01
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[CB 541-1967] 外螺纹铝合金填料三通旋塞[废止]
发布时间:1967-05-31
实施时间:1967-08-01
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发布时间:1900-01-01
实施时间:
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发布时间:1900-01-01
实施时间:
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