Expander for tubes and the like,申请号US19290368707-传众专利搜索

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发明名称	Expander for tubes and the like
摘要
申请公布号	US1798442(A)	申请公布日期	1931.03.31
申请号	US19290368707	申请日期	1929.06.05
申请人	GUSTAV WIEDEKE COMPANY	发明人	WIEDEKE GUSTAV
分类号	B21D39/06	主分类号	B21D39/06
代理机构		代理人
主权项
地址

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