[HG 21520-1995] 垂直吊蓋帶頸平焊法蘭人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21521-1995] 垂直吊蓋帶頸對焊法蘭人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21522-1995] 水平吊蓋板式平焊法蘭人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21523-1995] 水平吊蓋帶頸平焊法蘭人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21524-1995] 水平吊蓋帶頸對焊法蘭人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21525-1995] 常壓旋柄快開人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21526-1995] 橢圓形回轉蓋快開人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21527-1995] 回轉拱蓋快開人孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21529-1995] 板式平焊法蘭手孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21530-1995] 帶頸平焊法蘭手孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21531-1995] 帶頸對焊法蘭手孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21532-1995] 回轉蓋帶頸對焊法蘭手孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21533-1995] 常壓快開手孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21534-1995] 旋柄快開手孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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[HG 21535-1995] 回轉蓋快開手孔.附圖[已作廢]
發布時間:1995-12-28
實施時間:1996-03-01
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發布時間:1995-12-28
實施時間:1996-03-01
本標準規定廠鋼與玻璃燒結視鏡的型式與基本參數、技術要求、試驗療法、檢驗規則、標志、包裝和儲存。本標準..
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發布時間:1995-12-28
實施時間:1996-03-01
本標準規定廠鋼與玻璃燒結液位計的型式與基本參數、技術要求、試驗療法、檢驗規則、標志、包裝和儲存。本標..
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[HG/T 2742-1995] 磁性浮子式液位計技術條件[現行]
發布時間:1995-10-18
實施時間:1996-01-01
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發布時間:1995-08-28
實施時間:1996-03-01
本標準規定了手動柱塞式鑄鐵放料閥的類型、技術要求及標記。本標準適用于化工、石油化工裝置所有帶有攪拌器..
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