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[HGJ 511-1986] 平盖不锈钢手孔(附图)[已作废]
发布时间:2003-06-01
实施时间:2003-06-01
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[HG/T 2098-2001] 釜用机械密封系列及主要参数[已作废]
发布时间:2002-01-24
实施时间:2002-07-01
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发布时间:2001-12-29
实施时间:2002-06-01
JB/T 1118—2001 本标准是对JB/T 1118—1981《F1型浮阀》的修订。修订..
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发布时间:2001-12-29
实施时间:2002-06-01
JB/T 1205—2001 本标准是对JB/T 1205—1980《塔盘 技术条件》的修订..
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发布时间:2001-10-01
实施时间:2001-10-01
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[JB 1118-1981] F1型浮阀[已作废]
发布时间:2001-07-01
实施时间:2001-07-01
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[JB 1119-1981] 卡子[已作废]
发布时间:2001-07-01
实施时间:2001-07-01
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发布时间:2001-07-01
实施时间:2001-07-01
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[JB 1121-1983] 波形膨胀节[已作废]
发布时间:2001-07-01
实施时间:2001-07-01
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发布时间:2001-03-01
实施时间:2001-03-01
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[JB 1212-1973] 圆泡帽[已作废]
发布时间:2001-03-01
实施时间:2001-03-01
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[HG/T 3156-2000] PN250尿素用高压角式截止阀和节流阀[现行]
发布时间:2000-06-30
实施时间:2001-05-01
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发布时间:2000-01-17
实施时间:2000-05-01
原标准号HGJ 532-1991
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[JB 598-1964] 带衬里板式液面计Pg0.7[已作废]
发布时间:2000-01-01
实施时间:2000-01-01
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[JB 600-1964] 带颈衬里板式液面计Pg0.7[已作废]
发布时间:2000-01-01
实施时间:2000-01-01
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[HG 21594-1999] 不锈钢人、手孔分类与技术条件[已作废]
发布时间:1999-12-10
实施时间:2001-08-01
本标准规定了HG21595~HG21604一1999标准不锈钢人手孔分类与技术条件。本标准适用于化学..
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发布时间:1999-12-10
实施时间:2001-08-01
本标准规定了常压不锈钢人孔的型式、基本参数、尺寸、技术要求和有关使用规定。本标准适用于无冲击工作压力..
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发布时间:1999-12-10
实施时间:2001-08-01
本标准规定了回转盖不锈钢人孔的型式、基本参数、尺寸、技术要求和有关使用规定。本标准适用于公称压力PN..
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[HG 21597-1999] 回转拱盖快开不锈钢人孔[已作废]
发布时间:1999-12-10
实施时间:2001-08-01
本标准规定了回转拱盖快开不锈钢人孔的型式、基本参数、尺寸、技术要求和有关使用规定。本标准适用于公称压..
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[HG 21598-1999] 水平吊盖不锈钢人孔[已作废]
发布时间:1999-12-10
实施时间:2001-08-01
本标准规定了水平吊盖不锈俐人孔的型式、基本参数、尺寸、技术要求和有关使用规定。本标准适用于公称压力P..
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