The circular spade,申请号GB19990017897-传众专利搜索

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发明名称	The circular spade
摘要
申请公布号	GB9917897(D0)	申请公布日期	1999.09.29
申请号	GB19990017897	申请日期	1999.07.29
申请人	HOLMES, LESLIE P	发明人
分类号	A01B1/00;E21B7/00;E21B10/44;E21B11/00	主分类号	A01B1/00
代理机构		代理人
主权项
地址

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