Macline for operating on sheet material,申请号US19200344411-传众专利搜索

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发明名称	Macline for operating on sheet material
摘要
申请公布号	US1912495(A)	申请公布日期	1933.06.06
申请号	US19200344411	申请日期	1920.03.05
申请人	UNITED SHOE MACHINERY CORPORATION	发明人	PHELAN MERTON D.
分类号	B21D28/36	主分类号	B21D28/36
代理机构		代理人
主权项
地址

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