Vulcanized filled rubber grinding wheel,申请号US19450636696-传众专利搜索

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发明名称	Vulcanized filled rubber grinding wheel
摘要
申请公布号	US2446817(A)	申请公布日期	1948.08.10
申请号	US19450636696	申请日期	1945.12.22
申请人	WELDON ROBERTS RUBBER CO.	发明人	FEILER FREDERICK W.
分类号	B24D5/16	主分类号	B24D5/16
代理机构		代理人
主权项
地址

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