GB/T 21832.3-2024 Chinese PDF (GB/T21832.3-2024)GB T 21832. 3 2024_Chinese: Welded austenitic ferritic(duplex) stainless steel tubes and pipes Part 3: Pipes for oil and gas transmission (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21832. 3 2024
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