Sheet metalware production,申请号US19360076912-传众专利搜索

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发明名称	Sheet metalware production
摘要
申请公布号	US2147392(A)	申请公布日期	1939.02.14
申请号	US19360076912	申请日期	1936.04.29
申请人	THE STANDARD OIL COMPANY	发明人	AMBROSIUS GEORGE M.
分类号	B21D51/34	主分类号	B21D51/34
代理机构		代理人
主权项
地址

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