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JB/T 6656-1993 Cylinder seal ring installation groove type, size and tolerance
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This standard specifies the installation groove type, size and tolerance of QY, C, CK, J, ZHM and QH seals for cylinders. This sta
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6655-1993 High temperature resistant spring technical conditions
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This standard specifies the technical requirements, test methods and inspection rules for high temperature resistant circular cros
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6654-1993 Planar scroll spring technical conditions
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This standard specifies the parameters and codes, types, technical requirements, test methods and inspection rules of plane scroll
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6653-1993 Flat steel wire cylindrical helical compression spring
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This standard specifies the technical requirements, test methods, inspection rules and dimension series of flat steel wire cylindr
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6651-1993 Powder metallurgy timing pulley for synchronous belt drive of micro-car engine
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This standard specifies the technical requirements, test methods and inspection rules for powder metallurgy timing pulleys for syn
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6650-1993 Sintered metal friction plates and mating plates for aircraft brakes
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This standard specifies the material grades, test methods and inspection rules, packaging, transportation and storage of sintered
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6649-1993 Tin bronze spherical powder
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This standard specifies the grades, specifications and corresponding technical requirements of tin bronze spherical powder produce
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6648-1993 Atomized 6-6-3 tin bronze powder
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This standard specifies the technical conditions for atomized 6-6-3 tin bronze powder for powder metallurgy. This standard applies
2024-10-01 category：Machinery Industry Standard (JB)+ View
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