Friability testing of grinding wheels,申请号US19540431326-传众专利搜索

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发明名称	Friability testing of grinding wheels
摘要
申请公布号	US2802360(A)	申请公布日期	1957.08.13
申请号	US19540431326	申请日期	1954.05.21
申请人	THE SHEFFIELD CORPORATION	发明人	TANGEMAN URBAN B.;III NELSON EMMONS
分类号	G01M99/00	主分类号	G01M99/00
代理机构		代理人
主权项
地址

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