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JB 2193-1977 Boiler door
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JB 2193-1977 Boiler door JB2193-1977 standard download decompression password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB 1644-1991 General technical requirements for foundry machinery
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Replaced by JB 1644-2005 JB 1644-1991 General Technical Requirements for Foundry Machinery JB1644-1991 Standard download decompres
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB 968-1967 L-type attachment threaded pipe fitting
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JB 968-1967 L-type attached threaded pipe fitting JB968-1967 standard download decompression password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB 967-1967 Right angle attachment threaded pipe fitting
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JB 967-1967 Right Angle Attachment Threaded Pipe Fitting JB967-1967 Standard Download Unzip Password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB 584-1979 Swivel cover butt welding flange manhole
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JB 584-1979 Swivel cover butt welding flange manhole JB584-1979 Standard download decompression password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB 583-1979 Horizontal hanging cover manhole
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JB 583-1979 Horizontal Suspended Manhole JB583-1979 Standard download decompression password: www.bzxz.net
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7080-1993 Winding interturn impulse voltage tester
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This standard specifies the technical requirements, test methods and inspection rules for winding turn-to-turn impulse voltage tes
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7079-1993 Spring-driven impact tester and its calibration
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JB/T 7079-1993 Spring-driven impact tester and its calibration JB/T7079-1993 standard download decompression password: www.bzxz.ne
2024-10-03 category：Machinery Industry Standard (JB)+ View
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