SUPER ABRASIVE GRAIN GRINDSTONE AND MANUFACTURE THEREOF,申请号JP19880333444-传众专利搜索

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发明名称	SUPER ABRASIVE GRAIN GRINDSTONE AND MANUFACTURE THEREOF
摘要
申请公布号	JPH02180560(A)	申请公布日期	1990.07.13
申请号	JP19880333444	申请日期	1988.12.30
申请人	SUMITOMO COAL MINING CO LTD	发明人	AKASHI TAMOTSU
分类号	B24D3/00;B24D3/02	主分类号	B24D3/00
代理机构		代理人
主权项
地址

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