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Manufacturing Technical Scheme for Carbon Steel Pipe Fittings
1. General Provisions 1.1 Overview This technical specification stipulates the manufacturing, inspection and production technical requirements for WPB and A105 pipe fittings purchased by Hebei Renlong Pipe Fittings Co., Ltd. 1.2 Units of Measurement and Language The units of measurement adopted in this technical specification and relevant documents are general measurement units, and the language…