HAND GRADING TOOL,申请号GB19900003130-传众专利搜索

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发明名称	HAND GRADING TOOL
摘要
申请公布号	GB9003130(D0)	申请公布日期	1990.04.11
申请号	GB19900003130	申请日期	1990.02.12
申请人	MCMAHON, ANTHONY B	发明人
分类号	A01B1/06;E01C19/18;E01C23/082;E01H1/12	主分类号	A01B1/06
代理机构		代理人
主权项
地址

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