EARTH BORING APPARATUS,申请号CAD319362-传众专利搜索

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发明名称	EARTH BORING APPARATUS
摘要
申请公布号	CA319362(A)	申请公布日期	1932.02.02
申请号	CAD319362	申请日期
申请人	FREDERICK J. FORET;JAMES E. C. CURRENS;ALFRED E. ENGLEBRIGHT	发明人	ALFRED E. ENGLEBRIGHT;FREDERICK J. FORET;JAMES E. C. CURRENS
分类号		主分类号
代理机构		代理人
主权项
地址

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