[HG 21520-1995] 垂直吊盖带颈平焊法兰人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21521-1995] 垂直吊盖带颈对焊法兰人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21522-1995] 水平吊盖板式平焊法兰人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21523-1995] 水平吊盖带颈平焊法兰人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21524-1995] 水平吊盖带颈对焊法兰人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21525-1995] 常压旋柄快开人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21526-1995] 椭圆形回转盖快开人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21527-1995] 回转拱盖快开人孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21529-1995] 板式平焊法兰手孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21530-1995] 带颈平焊法兰手孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21531-1995] 带颈对焊法兰手孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21532-1995] 回转盖带颈对焊法兰手孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21533-1995] 常压快开手孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21534-1995] 旋柄快开手孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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[HG 21535-1995] 回转盖快开手孔.附图[已作废]
发布时间:1995-12-28
实施时间:1996-03-01
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发布时间:1995-12-28
实施时间:1996-03-01
本标准规定厂钢与玻璃烧结视镜的型式与基本参数、技术要求、试验疗法、检验规则、标志、包装和储存。本标准..
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发布时间:1995-12-28
实施时间:1996-03-01
本标准规定厂钢与玻璃烧结液位计的型式与基本参数、技术要求、试验疗法、检验规则、标志、包装和储存。本标..
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[HG/T 2742-1995] 磁性浮子式液位计技术条件[现行]
发布时间:1995-10-18
实施时间:1996-01-01
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发布时间:1995-08-28
实施时间:1996-03-01
本标准规定了手动柱塞式铸铁放料阀的类型、技术要求及标记。本标准适用于化工、石油化工装置所有带有搅拌器..
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