[ZB J 22007-1988] 液压气动用球涨式堵头安装尺寸[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22008-1988] 液压软管总成技术条件[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22009-1989] 柔性石墨板材 密度测试方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22010-1989] 柔性石墨板材密度测试方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22011-1989] 柔性石墨板材压缩强度测试方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22012-1989] 柔性石墨板材 压缩率、回弹率测试方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22013-1989] 柔性石墨板材 灰分测试方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22014-1989] 柔性石墨板材 固定碳含量测定方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22015-1989] 柔性石墨板材热失重测试方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22016-1989] 柔性石墨板材 滑动摩擦系数测试方法[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[ZB J 22017-1989] 机械密封用碳石墨密封环技术条件[已作废]
发布时间:1990-07-01
实施时间:1990-07-01
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[GB 10444-1989] 机械密封产品型号编制方法[已作废]
发布时间:1989-02-22
实施时间:1990-01-01
本标准规定了机械密封产品基本型号的编写方法及有关规定。本标准适用于各类机械密封产品。
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[GB 6556-1986] 机械密封的型式、主要尺寸、材料和识别标志[已作废]
发布时间:1987-05-01
实施时间:1987-05-01
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发布时间:1986-03-01
实施时间:1986-10-01
本标准适用于旋转轴用机械密封。
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[HB 956-1981] 密封圈[已作废]
发布时间:1983-05-23
实施时间:1983-07-01
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[HB 957-1981] 封油圈[已作废]
发布时间:1983-05-23
实施时间:1983-07-01
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