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JB/T 5219-1991 Industrial thermocouple types, basic parameters and
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JB/T 5219-1991 Industrial Thermocouple Types, Basic Parameters and JB/T5219-1991 Standard Download Decompression Password: www.bzx
2024-09-21 category：Machinery Industry Standard (JB)+ View
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JB/T 5211-1991 Gate valve seat
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This standard specifies the structural type, size and technical requirements of gate valve seats. This standard is applicable to c
2024-09-21 category：Machinery Industry Standard (JB)+ View
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JB/T 5210-1991 Upper seal seat
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This standard specifies the structural type, dimensions and technical requirements of the upper sealing seat. JB/T 5210-1991 Upper
2024-09-21 category：Machinery Industry Standard (JB)+ View
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JB/T 5209-1991 Plastic packing
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This standard specifies the structural type, size and technical requirements of plastic packing. JB/T 5209-1991 Plastic packing JB
2024-09-21 category：Machinery Industry Standard (JB)+ View
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JB/T 5208-1991 Spacer Ring
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This standard specifies the structural type, size and technical requirements of the spacer rings used in valve stuffing boxes. JB/
2024-09-21 category：Machinery Industry Standard (JB)+ View
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JB/T 5207-1991 Packing plate
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This standard specifies the structural type, size and technical requirements of the packing pressure plate. This standard is appli
2024-09-21 category：Machinery Industry Standard (JB)+ View
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JB/T 5206.3-1991 Packing Pressure Sleeve (3)
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This standard specifies the structural type, dimensions and technical requirements of the packing gland (3). JB/T 5206.3-1991 Pack
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5206.2-1991 Packing Pressure Sleeve (2)
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This standard specifies the structural type, size and technical requirements of the packing gland (2). JB/T 5206.2-1991 Packing Pr
1970-01-01 category：Machinery Industry Standard (JB)+ View
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