Safety brake combination for pneumatic drills,申请号US19620166529-传众专利搜索

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发明名称	Safety brake combination for pneumatic drills
摘要
申请公布号	US3193055(A)	申请公布日期	1965.07.06
申请号	US19620166529	申请日期	1962.01.16
申请人	MORIN LAWRENCE J	发明人	MORIN LAWRENCE J.
分类号	E21B15/00	主分类号	E21B15/00
代理机构		代理人
主权项
地址

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