首页> 外国专利> reinforced composite line pipe, which consists of an inner metal tube and from a about it of wire winding which is located a high tensile strength is

reinforced composite line pipe, which consists of an inner metal tube and from a about it of wire winding which is located a high tensile strength is

机译：增强的复合管线管，由一个内部金属管和大约一个绕线的高抗拉强度组成。

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公开/公告号DE641491C

专利类型
公开/公告日1937-02-03

原文格式PDF
申请/专利权人 ERIC MAURICE BERGSTROM;WILLIAM POLLARD DIGBY;
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申请/专利号DE1931B152184D
发明设计人
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申请日1931-09-23
分类号F16L9/04;
国家 DE
入库时间 2022-08-24 05:48:49

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