GB/T 22513-2023 Chinese PDF (GB/T22513-2023) GB/T 19544-2024 GB/T 16457
$70.95
Description
GB/T 16457
GB/T 10335
2-2024_Chinese: Cast iron pipe flanges - Part 2: Class designated (Chinese: 铸铁管法兰 第2部分：Class系列)
GB/T 18910
English versions: GB/T 3260
GB/T 22513-2023 Chinese PDF (GB/T22513-2023) GB/T 19544-2024 GB/T 16457GB T 22513 2023_Chinese: Petroleum and natural gas drilling and production equipment Wellhead and tree equipment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22513 2023
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