TUBING ANNULAR FINS FORMING APPARATUS,申请号CAD439737-传众专利搜索

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发明名称	TUBING ANNULAR FINS FORMING APPARATUS
摘要
申请公布号	CA439737(A)	申请公布日期	1947.02.18
申请号	CAD439737	申请日期
申请人	CALUMET AND HECLA CONSOLIDATED COPPER COMPANY	发明人	OTTO R. SCHULER
分类号		主分类号
代理机构		代理人
主权项
地址

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