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JB/T 7994-1999 Chemical analysis method of cubic boron nitride
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JB/T 7994-1999 JB/T 7994-1999 Chemical analysis method of cubic boron nitride JB/T7994-1999 Standard download decompression passwo
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7993-1999 Chemical analysis method of boron carbide
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JB/T 7993-1999 This standard is a revision of JB/T 7993-95 "Chemical Analysis Methods for Boron Carbide". During the revision, onl
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7991.4-2001 Electroplated super-hard abrasive grinding heads
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JB/T 7991.4-2001 This standard is a revision of JB/T 7991.4-1995 "Electroplated Diamond Grinding Heads". The size specifications a
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7991.3-2001 Electroplated super-hard abrasive products Assorted files
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JB/T 7991.3-2001 JB/T 7991.3-2001 Electroplated superhard abrasive products Assorted files JB/T7991.3-2001 Standard download decom
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7991.2-2001 Electroplated super-hard abrasive products Internal cutting saw blades
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JB/T 7991.2-2001 This standard is a revision of JB/T 7991.2-1995 "Electroplated Diamond Internal Cutting Saw Blades". The size spe
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7991.1-2001 Codes and markings for electroplated superhard abrasive products
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JB/T 7991.1-2001 JB/T 7991.1-2001 Electroplated superhard abrasive products code and mark JB/T7991.1-2001 Standard download decomp
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7990-1998 Superhard abrasives - artificial diamond powder and cubic boron nitride powder
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This standard specifies the particle size, particle size and composition, impurity content, inspection method, marking and packagi
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7989-1997 Technical requirements for super abrasive synthetic diamond
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JB/T 7987-1997 JB/T 7989-1997 Technical conditions for super abrasive synthetic diamond JB/T7989-1997 Standard download decompress
2024-10-03 category：Machinery Industry Standard (JB)+ View
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