BOOM POSITIONING APPARATUS FOR ROCK DRILLER,申请号JP19850056375-传众专利搜索

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发明名称	BOOM POSITIONING APPARATUS FOR ROCK DRILLER
摘要
申请公布号	JPS61216991(A)	申请公布日期	1986.09.26
申请号	JP19850056375	申请日期	1985.03.20
申请人	MAZDA MOTOR CORP	发明人	SATO OSAMU
分类号	E21B7/02;E21B15/00;E21B19/08	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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