MACHINES FOR MANUFACTURING SPRING WASHER,申请号USD3468148-传众专利搜索

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发明名称	MACHINES FOR MANUFACTURING SPRING WASHER
摘要
申请公布号	US3468148(A)	申请公布日期	1969.09.23
申请号	USD3468148	申请日期	1965.12.17
申请人	ICHIZO TSURUMOTO	发明人	ICHIZO TSURUMOTO
分类号	B21F3/04;B21F37/02;(IPC1-7):B21D53/22;B21F11/00	主分类号	B21F3/04
代理机构		代理人
主权项
地址

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