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JB/T 1954-1977 Compression-type straight-through reducer pipe fittings
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JB/T 1954-1977 Compression-type straight-through reducer pipe fittings JB/T1954-1977 Standard download decompression password: www
2025-01-12 category：Machinery Industry Standard (JB)+ View
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JB/T 1884-1977 Welded end straight-through long pipe fitting body
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JB/T 1884-1977 Welded end straight-through long pipe joint body JB/T1884-1977 standard download decompression password: www.bzxz.n
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1883-1977 Welded end straight long pipe joint
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JB/T 1883-1977 Welding end straight long pipe joint JB/T1883-1977 standard download decompression password: www.bzxz.net
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1881-1999 Types and basic parameters of hydraulic trimming presses
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JB/T 1881-1999 JB/T 1881-1999 Trimming hydraulic press type and basic parameters JB/T1881-1999 Standard download decompression pas
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1880-1999 Counter-blow hammer types and basic parameters
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JB/T 1880-1999 This standard is a revision of JB 1880-77 "Types and Basic Parameters of Counter-blow Hammers". During the revision
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1866-1999 Lead-acid batteries for navigation aids
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This standard specifies the model and basic parameters, requirements, test methods, inspection rules and markings, packaging, tran
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1843-1999 Types and basic parameters of die forging hammers
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JB/T 1843-1999 This standard is a revision of JB 1843-77 "Types and basic parameters of die forging hammers". During the revision,
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1829-1997 General technical requirements for forging machinery
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This standard specifies the basic requirements for the design, manufacture and acceptance of forging machinery. This standard appl
2024-10-04 category：Machinery Industry Standard (JB)+ View
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