Method of forming standard blanks and a variety of finished units therefrom,申请号US19390283705-传众专利搜索

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发明名称	Method of forming standard blanks and a variety of finished units therefrom
摘要
申请公布号	US2309666(A)	申请公布日期	1943.02.02
申请号	US19390283705	申请日期	1939.07.10
申请人	PARKER ARTHUR L	发明人	PARKER ARTHUR L.
分类号	B21K1/24	主分类号	B21K1/24
代理机构		代理人
主权项
地址

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