Die assembly for forming hollow metal articles,申请号US19370141936-传众专利搜索

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法人/股东/高管

发明名称	Die assembly for forming hollow metal articles
摘要
申请公布号	US2188197(A)	申请公布日期	1940.01.23
申请号	US19370141936	申请日期	1937.05.11
申请人	WENDEL FRANS B	发明人	WENDEL FRANS B.
分类号	B21C37/29	主分类号	B21C37/29
代理机构		代理人
主权项
地址

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