Closure sealing apparatus,申请号US19320617034-传众专利搜索

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发明名称	Closure sealing apparatus
摘要
申请公布号	US1930325(A)	申请公布日期	1933.10.10
申请号	US19320617034	申请日期	1932.06.13
申请人	DAVID STERN	发明人	STERN DAVID
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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