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JB/T 7255-1994 Water ring vacuum pump and water ring compressor
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This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, product sets and u
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7254-1994 Continuously variable speed cycloid reducer
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This standard specifies the models and basic parameters, technical requirements, test methods, inspection rules and markings, gene
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7253-1994 Cycloidal pinwheel reducer noise measurement method
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This standard specifies the test conditions, test instruments, location and number of measuring points, calculation of sound power
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7252-1994 Valve type orifice plate throttling device
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This standard specifies the terminology, type and basic parameters, technical requirements, test methods, inspection rules and mar
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7250-1994 Drying Technology Terminology
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This standard specifies the terms related to drying technology. This standard is applicable to the production, scientific research
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7249-1994 Terminology of Refrigeration Equipment
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This standard specifies the main terms and their meanings used in refrigeration equipment. JB/T 7249-1994 Refrigeration Equipment
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7248-1994 Technical requirements for low temperature steel castings for valves
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This standard specifies the technical requirements, test methods, inspection rules and markings for low temperature steel castings
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7245-1994 Stop valve for refrigeration equipment
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This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, packaging, marking
2024-10-03 category：Machinery Industry Standard (JB)+ View
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