OIL WELL SCRATCHER,申请号CAD580142-传众专利搜索

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发明名称	OIL WELL SCRATCHER
摘要
申请公布号	CA580142(A)	申请公布日期	1959.07.28
申请号	CAD580142	申请日期
申请人	LEWIS LEIDECKER	发明人	LEWIS LEIDECKER
分类号		主分类号
代理机构		代理人
主权项
地址

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