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JB/T 1308.2-1999 PN250a Technical requirements for valves, fittings and fasteners
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JB/T 1308.2-1999 This standard is a revision of JB 1309-73 "Technical requirements for valves, pipe fittings and fasteners of Pg (
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1308.1-1999 PN250a valve types and basic parameters
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JB/T 1308.1-1999 JB/T 1308.1-1999 PN250a Valve type and basic parameters JB/T1308.1-1999 Standard download decompression password:
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1306-1994 Electric single beam crane
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This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, etc. of electric s
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1296.2-1999 Technical requirements for combined punching and shearing machines
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JB/T 1296.2-1999 JB/T 1296.2-1999 Technical conditions for combined punching and shearing machines JB/T1296.2-1999 Standard downlo
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1271-1993 Technical requirements for AC and DC motor shaft forgings
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JB/T 1271-1993 Technical conditions for AC and DC motor shaft forgings JB/T1271-1993 Standard download decompression password: www
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1271-2002 Technical requirements for AC and DC motor shaft forgings
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This standard specifies the technical requirements, acceptance rules, test methods, certificates and marks for shaft forgings of A
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1270-2002 Technical requirements for main shaft forgings of turbines and hydro-generators
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This standard specifies the technical requirements, inspection rules, test methods, certificates and marks for hydraulic turbine a
2024-10-04 category：Machinery Industry Standard (JB)+ View
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JB/T 1270-1993 Technical requirements for main shaft forgings of turbines and hydro-generators
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JB/T 1270-1993 Technical conditions for large shaft forgings of turbines and hydro-generators JB/T1270-1993 Standard download deco
2024-10-04 category：Machinery Industry Standard (JB)+ View
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