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JB/T 2774-1992 PN16.0～32.0MPa Step-end studs and screw hole dimensions
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This standard specifies the type, size, and technical requirements of step-end studs and screw holes. This standard applies to the
2025-04-25 category：Machinery Industry Standard (JB)+ View
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JBJ 16-2000 Environmental Protection Design Specification for Mechanical Industry
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JBJ 16-2000 Mechanical Industry Environmental Protection Design Specification JBJ16-2000 Standard download decompression password:
2025-04-25 category：Machinery Industry Standard (JB)+ View
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JB/T 58702-2000 Cylindrical helical spring product quality classification
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JB/T 58702-2000 Cylindrical helical spring product quality classification JB/T58702-2000 standard download decompression password:
2025-04-25 category：Machinery Industry Standard (JB)+ View
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JB/T 58652-1999 Fastener product quality grade assessment
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JB/T 58652-1999 This standard is a revision of JB/T 58652-93 "Quality Grade Assessment of Fastener Products". This standard specif
2025-04-25 category：Machinery Industry Standard (JB)+ View
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JB/T 58651.14-1999 Fastener product quality classification Bolted connection pairs
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JB/T 58651.14-1999 Fastener product quality classification Bolted connection pair JB/T58651.14-1999 Standard download decompressio
2025-04-25 category：Machinery Industry Standard (JB)+ View
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JB/T 58651.13-1999 Fastener product quality classification Eyebolts (nuts)
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JB/T 58651.13-1999 Fastener product quality classification Eyebolt (nut) JB/T58651.13-1999 Standard download decompression passwor
2025-04-25 category：Machinery Industry Standard (JB)+ View
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JB/T 58651.12-1999 Fastener product quality classification retaining ring
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JB/T 58651.12-1999 Fastener product quality classification Retaining ring JB/T58651.12-1999 Standard download decompression passwo
2025-04-25 category：Machinery Industry Standard (JB)+ View
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JB/T 58651.11-1999 Fastener product quality classification Rivets
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JB/T 58651.11-1999 Fasteners Product Quality Classification Rivets JB/T58651.11-1999 Standard Download Decompression Password: www
2025-04-25 category：Machinery Industry Standard (JB)+ View
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