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JB/T 7984.2-1999 Determination of bulk density of coarse abrasive grains of common abrasives
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JB/T 7984.2-1999 JB/T 7984.2-1999 Determination of bulk density of coarse abrasive grains of common abrasives JB/T7984.2-1999 Stan
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7984.1-1999 Determination of pH value of common abrasives
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JB/T 7984.1-1999 This standard is a revision of JB/T 7984.1-95 "Determination of pH value of common abrasives". During the revisio
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7983-2001 General abrasives - Bolt-fastened flat grinding wheels
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JB/T 7983-2001 This standard is a revision of JB/T 7983-1995 "Bolt-fastened flat grinding wheels" in order to coordinate with the
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7982-1999 Tool Presetting Measuring Instrument Accuracy
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JB/T 7982-1999 JB/T 7982-1999 Tool Presetting Measuring Instrument Accuracy JB/T7982-1999 Standard Download Decompression Password
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7981-1999 Thread Sample
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JB/T 7981-1999 JB/T 7981-1999 Thread Sample JB/T7981-1999 Standard Download Decompression Password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7976-1999 Instrument terminology for measuring surface roughness using the profilometry method
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JB/T 7976-1999 This standard is a revision of JB/T 7976-95 "Terms of Instruments for Measuring Surface Roughness by Profilometry".
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7980-1999 Radius Sample
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JB/T 7980-1999 This standard is a revision of JB/T 7980-95 "Radius Template". During the revision, editorial changes were made acc
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7978-1999 Steel ruler and rock ruler
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JB/T 7978-1999 This standard is a revision of JB/T 7978-95 "Steel and Rock Straight Scales". During the revision, editorial change
2024-10-03 category：Machinery Industry Standard (JB)+ View
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