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JB/T 6310-1992 Series of runners for small and medium-sized axial-flow Francis turbines
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This standard specifies the runner series of small and medium-sized axial-flow and Francis turbines. This standard applies to axia
2024-09-29 category：Machinery Industry Standard (JB)+ View
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JB/T 6308-2000 Centrifugal casting machine technical conditions
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JB/T 6308-2000 This standard is a revision of JB/T 6308-1992 "Technical Conditions for Centrifugal Pipe Casting Machines". The sco
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6307.5-1994 Test methods for power semiconductor modules Bipolar transistor single-phase bridge and three-phase bridge
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JB/T 6307.5-1994 Test methods for power semiconductor modules Bipolar transistor single-phase bridge and three-phase bridge JB/T63
2024-09-29 category：Machinery Industry Standard (JB)+ View
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JB/T 6307.4-1992 Test methods for power semiconductor modules Bipolar transistor arms and arm pairs
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This standard specifies the test methods for the electrical characteristics, thermal characteristics and rated values of bipolar
2024-09-29 category：Machinery Industry Standard (JB)+ View
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JB/T 6307.3-1992 Test methods for power semiconductor modules Rectifier three-phase bridge
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This standard specifies the test method for rectifier three-phase bridge modules composed of semiconductor diode chips. This stand
2024-09-29 category：Machinery Industry Standard (JB)+ View
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JB/T 6307.2-1992 Test methods for power semiconductor modules Rectifier single-phase bridge
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This standard specifies the test method for rectifier single-phase bridge modules composed of semiconductor diode chips. This stan
2024-09-29 category：Machinery Industry Standard (JB)+ View
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JB/T 6307.1-1992 Test methods for power semiconductor modules - Rectifier arm pairs
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This standard specifies the test method for arm-pair modules composed of semiconductor diode chips. This standard applies to power
2024-09-29 category：Machinery Industry Standard (JB)+ View
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JB/T 6306-1992 Dimensions of power semiconductor modules
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JB/T 6306-1992 Power semiconductor module dimensions JB/T6306-1992 standard download decompression password: www.bzxz.net
2024-09-29 category：Machinery Industry Standard (JB)+ View
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