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JB/T 5442-1991 Magnetic particle inspection of important compressor parts
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This standard specifies the dry and wet magnetic particle (including fluorescent and non-fluorescent) flaw detection methods and d
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5441-1991 Ultrasonic flaw detection of compressor cast steel parts
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This standard specifies the flaw detection method and defect grade classification using a type A pulse reflection ultrasonic flaw
2024-09-24 category：Machinery Industry Standard (JB)+ View
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JB/T 5440-1991 Ultrasonic flaw detection of compressor forged steel parts
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This standard specifies the flaw detection method and defect classification using a type A pulse reflection ultrasonic flaw detect
2024-09-24 category：Machinery Industry Standard (JB)+ View
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JB/T 5439-1991 Ultrasonic flaw detection of ductile iron parts for compressors
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This standard specifies the flaw detection method and defect classification using a type A pulse reflection ultrasonic flaw detect
2024-09-24 category：Machinery Industry Standard (JB)+ View
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JB/T 5420-2001 Co-rotating twin-screw plastic extruder
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JB/T 5420-2001 This standard is a revision of JB/T 5420-1991 "Co-rotating twin-screw plastic extruder". During the revision, major
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5419-2000 Plastic extrusion flat film flat yarn auxiliary machine
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JB/T 5419-2000 JB/T 5419-2000 Plastic extrusion flat film flat yarn auxiliary machine JB/T5419-2000 Standard download and decompre
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5415-2000 Micro centrifugal pump
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JB/T 5415-2000 This standard is a compilation of JB/T 3788-84 "Basic Parameters of Micro Centrifugal Pumps", JB/T 5415-91 "Technic
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5414-1991 Technical conditions of hot water centrifugal pump
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This standard specifies the technical requirements, test methods and inspection rules for single-stage single-suction hot water ce
1970-01-01 category：Machinery Industry Standard (JB)+ View
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