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JB/T 7908-1999 Technical requirements for powder metallurgy oil pump rotors for internal combustion engines
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JB/T 7908-1999 JB/T 7908-1999 Technical requirements for powder metallurgy oil pump rotors for internal combustion engines JB/T790
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7907-1999 Technical requirements for powder metallurgy oil pump gears
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JB/T 7907-1999 This standard is a revision of JB/T 7907-95 "Technical Conditions for Powder Metallurgy Oil Pump Gears". This stand
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7905-1999 Sintered metal materials (excluding cemented carbide) Sampling
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JB/T 7905-1999 This standard is a revision of JB/T 7905-95 "Sampling of sintered metal materials (excluding cemented carbide)". Th
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7904-1999 Carbide inserts for deep hole drilling with internal chip removal
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JB/T 7904-1999 This standard is a revision of JB/T 7904-95 "Carbide inserts for deep hole drilling with internal chip removal". Du
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7903-1999 Industrial radiography film viewing lamp
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JB/T 7903-1999 This standard is equivalent to ISO 5580:1985 "Minimum requirements for viewing lights for industrial radiographic f
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7902-1999 Linear Image Quality Meter
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JB/T 7902-1999 This standard adopts the international standard ISO 1027:1983 "Rules and markings for radiographic image quality in
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7901-2001 Laboratory uniform corrosion immersion test method for metal materials
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JB/T 7901-2001 Laboratory uniform corrosion test method for metal materials JB/T7901-2001 Standard download decompression password
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7900-2002 Resistance variation of high resistance electric heating alloys with temperature
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This standard is applicable to the measurement of the change of resistance of electric heating alloys with temperature, and can al
2024-10-03 category：Machinery Industry Standard (JB)+ View
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