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JB/T 8888-1999 Test method for measuring residual stress of steam turbine and turbogenerator rotor forgings by ring core method
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JB/T 8888-1999 JB/T 8888-1999 Test method for measuring residual stress in steam turbine and turbogenerator rotor forgings by ring
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8887-1999 Technical requirements for wheels for tractors and agricultural and forestry machinery
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JB/T 8887-1999 JB/T 8887-1999 Technical requirements for wheels for tractors and agricultural and forestry machinery JB/T8887-1999
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8886-1999 Test methods for oil pumps of internal combustion engines
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JB/T 8886-1999 This standard is a revision of NJ 432-86 "Test Methods for Oil Pumps for Internal Combustion Engines". The main tec
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8883-2001 Clamping conveyor chains for agricultural machinery
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JB/T 8883—2001 JB/T 8883-2001 Clamping conveyor chain for agricultural machinery JB/T8883-2001 Standard download decompression pas
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8881-2001 Technical conditions for carburizing heat treatment of rolling bearing parts
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JB/T 8881—2001 This standard is a revision and merger of JB/T 8881—1999 and JB/T 8882—1999. The control level of carburized layer
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8880-2000 Technical requirements for deep groove ball bearings for motors
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JB/T 8880-2000 JB/T 8880-2000 Technical requirements for deep groove ball bearings for motors JB/T8880-2000 Standard download deco
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8879-2001 General technical requirements for spherical plain bearings
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JB/T 8879—2001 This standard is a revision and merger of JB/T 8879—1999 and JB/T 5390—1991. The revision adds requirements for def
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 8878-2001 Technical requirements for drawn cup needle roller bearings
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JB/T 8878—2001 This standard adopts ISO 3245:1997 "Rolling bearings - Needle roller bearings without inner rings and pressed outer
2024-10-04 category：Machinery Industry Standard (JB)+ View
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