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JB/T 8514.3-1997 This standard is based on GB/T 15498-1995 "Constitution and requirements of enterprise standard system management
JB/T 8514.2-1997 This standard is based on the provisions of GB/T 15496-1995 "Guidelines for Enterprise Standardization Work" on t
JB/T 8514.1-1997 This standard is based on GB/T 15496-1995 "Guidelines for Enterprise Standardization Work" and is revised based o
This standard is a revision of GB 9150-88 "Classification of insert ball bearings with housings". Compared with the original stand
This standard is a revision of GB 9476-88 "Plastic-coated hose". The content of GB 9476-88 that is still applicable is retained du
This standard specifies the terminology, use conditions, structural requirements, technical requirements and test methods of air-i
JB/T 8509-1996 High Voltage Line Post Porcelain Insulator JB/T8509-1996 Standard Download Decompression Password: www.bzxz.net
This standard specifies the requirements for electrical grade magnesium oxide and its products, including product classification,