Blank-holder press,申请号US19390308594-传众专利搜索

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发明名称	Blank-holder press
摘要
申请公布号	US2290743(A)	申请公布日期	1942.07.21
申请号	US19390308594	申请日期	1939.12.11
申请人	THE HYDRAULIC DEVELOPMENT CORP. INC.	发明人	ERNST WALTER
分类号	B21D24/14	主分类号	B21D24/14
代理机构		代理人
主权项
地址

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