Method and means for metal sizing employing thermal expansion and contraction,申请号US19890317244-传众专利搜索

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发明名称	Method and means for metal sizing employing thermal expansion and contraction
摘要
申请公布号	US4989433(A)	申请公布日期	1991.02.05
申请号	US19890317244	申请日期	1989.02.28
申请人	HARMON, JOHN L.;SCHILTZ, CHARLES;MCKENZIE, GERALD W.	发明人	HARMON, JOHN L.;SCHILTZ, CHARLES;MCKENZIE, GERALD W.
分类号	B21C37/30;B21D3/00;B21D3/14;G21C21/10	主分类号	B21C37/30
代理机构		代理人
主权项
地址

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