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JB/T 2001.20-1999 Water system centralized air release valve core (PN=31.5MPa)
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JB/T 2001.20-1999 This standard is a revision of JB 2020-84 "Centralized Air Release Valve Core of Hydraulic Press (Pg=315×100000P
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 2001.19-1999 Types and dimensions of air release valves for water systems (PN ≤ 50MPa)
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JB/T 2001.19-1999 This standard is a revision of JB 2019-84 "Type and size of air release valve for hydraulic press (Pg≤315×100000
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 2001.18-1999 Types and dimensions of circular connection flanges for water systems (PN=20MPa)
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JB/T 2001.18-1999 This standard is a revision of JB 2018-84 "Types and dimensions of circular connection flanges for hydraulic pre
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 2001.17-1999 Types and dimensions of square connection flanges for water systems (PN=20MPa)
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JB/T 2001.17-1999 This standard is a revision of JB 2017-84 "Hydraulic press square connection flange type and size (Pg = 200 × 10
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 2001.16-1999 Types and dimensions of circular connection flanges for water systems (PN=31.5MPa)
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JB/T 2001.16-1999 JB/T 2001.16-1999 Types and dimensions of round connection flanges for water systems (PN=31.5MPa) JB/T2001.16-19
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 2001.15-1999 Types and dimensions of square connection flanges for water systems (PN=31.5MPa)
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JB/T 2001.15-1999 JB/T 2001.15-1999 Types and dimensions of square connection flanges for water systems (PN=31.5MPa) JB/T2001.15-1
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 2001.14-1999 Types and dimensions of oval connection flanges for water systems (PN=31.5MPa)
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JB/T 2001.14-1999 This standard is a revision of JB 2014-84 "Type and size of elliptical connection flanges for hydraulic presses
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8930-1999 Stamping process quality control specification
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JB/T 8930-1999 JB/T 8930-1999 Stamping process quality control specification JB/T8930-1999 Standard download decompression passwor
2024-10-04 category：Machinery Industry Standard (JB)+ View
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