Method of making double boomed sheet pile,申请号US19330662969-传众专利搜索

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发明名称	Method of making double boomed sheet pile
摘要
申请公布号	US1988864(A)	申请公布日期	1935.01.22
申请号	US19330662969	申请日期	1933.03.27
申请人	HEINRICH BERVE	发明人	BERVE HEINRICH
分类号	B21B1/08	主分类号	B21B1/08
代理机构		代理人
主权项
地址

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