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JB/T 7935-1999 Arc cylindrical worm reducer
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JB/T 7935-1999 This standard is a revision of JB/T 7935-95 "Arc Cylindrical Worm Reducer", and the technical parameters have been
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7934-1999 Types and basic dimensions of expansion joints
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This standard is a revision of JB/T 7934-95 "Types and basic parameters of expansion sleeves". During the revision, the types were
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7929-1999 Cleanliness of gear transmission
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This standard specifies the determination method and objective evaluation value of the cleanliness of gear transmission devices wi
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7928-1999 General valve supply requirements
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JB/T 7928-1999 JB/T 7928-1999 General valve supply requirements JB/T7928-1999 Standard download decompression password: www.bzxz.n
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7927-1999 Appearance quality requirements for valve steel castings
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JB/T 7927-1999 This standard is a revision of JB/T 7927-95 "Appearance Quality Requirements for Valve Steel Castings" and suppleme
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7926-1995 Technical Specifications for Hydraulic Quick-Change Couplings (for Agricultural Tractors and Implements)
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JB/T 7926-1995 Technical Specifications for Hydraulic Quick-Change Connectors (for Agricultural Tractors and Implements) JB/T7926-
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7925.2-1995 Sliding bearings Multilayer bearing antifriction alloy hardness test method
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JB/T 7925.2-1995 Sliding bearings Multilayer bearings Antifriction alloy hardness test method JB/T7925.2-1995 Standard download de
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7925.1-1995 Sliding bearings Single-layer bearing anti-friction alloy hardness test method
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JB/T 7925.1-1995 Sliding bearing Single-layer bearing Anti-friction alloy hardness test method JB/T7925.1-1995 standard download d
2024-10-03 category：Machinery Industry Standard (JB)+ View
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