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JB/T 6741-1993 YSD series pole-changing double-speed three-phase asynchronous motor
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This standard specifies the form, basic parameters and dimensions, technical requirements, test methods and inspection rules, qual
2024-10-02 category：Machinery Industry Standard (JB)+ View
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JB/T 6740.3-1993 Current-type starting relay for small fully enclosed refrigeration motors-compressors
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This standard specifies the terminology, product classification, technical requirements, test methods, inspection rules, marking,
2024-10-02 category：Machinery Industry Standard (JB)+ View
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JB/T 6740.2-1993 Small fully enclosed refrigeration motor-positive temperature coefficient thermistor starting relay for compressor
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This standard specifies the terminology, product classification, technical requirements, test methods, inspection rules, marking,
1970-01-01 category：Machinery Industry Standard (JB)+ View
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2024-10-02 category：Machinery Industry Standard (JB)+ View
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JB/T 6738-1993 General technical requirements for single-phase asynchronous motors for closed refrigeration compressors
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This standard specifies the type, basic parameters and dimensions, technical requirements, test methods, inspection rules, marking
2024-10-02 category：Machinery Industry Standard (JB)+ View
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JB/T 6737-1993 General technical requirements for motors for range hoods
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This standard specifies the basic parameters and dimensions, technical requirements, test method inspection rules and marking, pac
2024-10-02 category：Machinery Industry Standard (JB)+ View
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JB/T 6736-1993 Boiler steel frame design guidelines
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This standard applies to the design of steel structures of supported and suspended boiler frames and other similar equipment. JB/T
2024-10-02 category：Machinery Industry Standard (JB)+ View
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JB/T 6735-1993 Calculation method for boiler suspension rod strength
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This standard specifies the strength calculation method for the suspension rod device on the pressure parts of the boiler. This st
2024-10-02 category：Machinery Industry Standard (JB)+ View
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