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JB/T 991-1977 Welded cross pipe joint body
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JB/T 991-1977 Welded Cross Pipe Fitting Body JB/T991-1977 Standard Download Decompression Password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 990-1977 Welded tee pipe joint body
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JB/T 990-1977 Welded tee pipe joint body JB/T990-1977 Standard download and decompression password: www.bzxz.net
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 989-1977 Welded right angle pipe fittings
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JB/T 989-1977 Welded right angle pipe joint body JB/T989-1977 standard download decompression password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 988-1977 Welded straight pipe fittings
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JB/T 988-1977 Welded straight pipe joint body JB/T988-1977 standard download decompression password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 6909-1993 Ultra-high pressure pump
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This standard specifies the type, basic parameters, technical requirements, test methods, marking, packaging and storage of ultra-
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 6908-1993 Technical requirements for positive displacement compressor forgings
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This standard specifies the technical requirements, test methods, inspection rules and marking requirements for steel forgings for
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 6907-1993 Motorcycle compressor technical conditions
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JB/T 6907-1993 Technical conditions for motorcycle compressor JB/T6907-1993 Standard download and decompression password: www.bzxz
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6906-1993 Oil-injected screw single-stage refrigeration compressor
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This standard specifies the terminology, product classification, technical requirements, test methods, inspection rules, Marking,
1970-01-01 category：Machinery Industry Standard (JB)+ View
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