Method of and machine for making heat-transmitting tubes,申请号US19260148988-传众专利搜索

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法人/股东/高管

发明名称	Method of and machine for making heat-transmitting tubes
摘要
申请公布号	US1778514(A)	申请公布日期	1930.10.14
申请号	US19260148988	申请日期	1926.11.17
申请人	JOSEPH STILL WILLIAM	发明人	STILL WILLIAM JOSEPH
分类号	B21C37/26;B21D53/02	主分类号	B21C37/26
代理机构		代理人
主权项
地址

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