Abrading tools,申请号US19550529777-传众专利搜索

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发明名称	Abrading tools
摘要
申请公布号	US2772471(A)	申请公布日期	1956.12.04
申请号	US19550529777	申请日期	1955.08.22
申请人	SYDNEY LENG ARNOLD	发明人	LENG ARNOLD SYDNEY
分类号	B24D15/02	主分类号	B24D15/02
代理机构		代理人
主权项
地址

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