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标题: ISO 11960-2020 [打印本页]

作者: 329220192 时间: 2020-10-28 06:00:15 标题: ISO 11960-2020

ISO 11960-2020 Petroleum and natural gas industries — Steel pipes for use as casing or tubing for wells
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作者: admin 时间: 2020-10-28 09:57:14

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