GB/T 29165.4-2023 Chinese PDF (GB/T29165.4-2023)GB T 29165. 4 2023_Chinese: Petroleum and natural gas industries Glass reinforced plastics (GRP) piping Part 4: Fabrication, installation and operation (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29165. 4 2023
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