DRILLING EQUIPMENT, ESPECIALLY FOR DRILLING IN EARTH OR LOOSE ROCK,申请号CAD913060-传众专利搜索

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发明名称	DRILLING EQUIPMENT, ESPECIALLY FOR DRILLING IN EARTH OR LOOSE ROCK
摘要
申请公布号	CA913060(A)	申请公布日期	1972.10.24
申请号	CAD913060	申请日期
申请人	NYA ASFALT AB	发明人	KARL H. HORNSTEN
分类号		主分类号
代理机构		代理人
主权项
地址

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