Verstaerktes Verbundleitungsrohr, das aus einem inneren Metallrohr und aus einer darueber befindlichen Wicklung von Draht hoher Zugfestigkeit besteht,申请号DE1931B152184D-传众专利搜索

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发明名称	Verstaerktes Verbundleitungsrohr, das aus einem inneren Metallrohr und aus einer darueber befindlichen Wicklung von Draht hoher Zugfestigkeit besteht
摘要
申请公布号	DE641491(C)	申请公布日期	1937.02.03
申请号	DE1931B152184D	申请日期	1931.09.23
申请人	ERIC MAURICE BERGSTROM;WILLIAM POLLARD DIGBY	发明人
分类号	F16L9/04	主分类号	F16L9/04
代理机构		代理人
主权项
地址

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