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JB/T 50149-2000 Product reliability assessment method for small roller mill
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JB/T 50149-2000 This standard specifies the reliability assessment method, test method and fault judgment rules for small roller m
2024-11-13 category：Machinery Industry Standard (JB)+ View
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JB/T 50147-2000 Measuring instruments for product quality grading Small torsion spring comparator
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JB/T 50147-2000 Measuring instruments Product quality grading Small torsion spring comparator JB/T50147-2000 Standard download dec
2024-11-13 category：Machinery Industry Standard (JB)+ View
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JB/T 50146-2000 Measuring instruments and instruments - Product quality classification - Spring-loaded internal micrometer
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JB/T 50146-2000 Measuring tools and instruments Product quality classification Spring-loaded internal micrometer JB/T50146-2000 St
2024-11-13 category：Machinery Industry Standard (JB)+ View
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JB/T 50145-2000 Coordinate-type gas cutting machine product quality classification
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JB/T 50145-2000 Coordinate-type gas cutting machine product quality classification JB/T50145-2000 standard download decompression
2024-11-13 category：Machinery Industry Standard (JB)+ View
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JB/T 50143-1999 Hydraulic dynamometer product quality classification
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JB/T 50143-1999 Hydraulic Dynamometer Product Quality Classification JB/T50143-1999 Standard Download Decompression Password: www.
2024-11-13 category：Machinery Industry Standard (JB)+ View
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JB/T 2560-1991 Types and dimensions of integral lined positive sliding bearing seats
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This standard specifies the types, dimensions and selection requirements of integral lined positive sliding bearing seats. This st
2024-11-13 category：Machinery Industry Standard (JB)+ View
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JB/T 2549-1994 Aluminum air separation equipment manufacturing technical specifications
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This standard specifies the manufacturing technical requirements for aluminum sieve plate towers, coil heat exchangers, shell-and-
2024-11-13 category：Machinery Industry Standard (JB)+ View
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JB/T 2548.3-1999 Bed milling machine series
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JB/T 2548.3-1999 This standard is a revision of JB/Z 135-79 "Series of Milling Machines with Non-Lifting Tables". The differences
2024-11-13 category：Machinery Industry Standard (JB)+ View
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