Hydraulic press for stepwise drawing of metal,申请号US19420468874-传众专利搜索

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发明名称	Hydraulic press for stepwise drawing of metal
摘要
申请公布号	US2419563(A)	申请公布日期	1947.04.29
申请号	US19420468874	申请日期	1942.12.11
申请人	THE HYDRAULIC DEVELOPMENT CORPORATION, INC.	发明人	KASER ROBERT A.
分类号	B21D24/00;B30B15/18	主分类号	B21D24/00
代理机构		代理人
主权项
地址

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