Improvements in drilling hammers,申请号GB19640034802-传众专利搜索

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发明名称	Improvements in drilling hammers
摘要
申请公布号	GB1016760(A)	申请公布日期	1966.01.12
申请号	GB19640034802	申请日期	1964.08.25
申请人	COMMISSARIAT A L'ENERGIE ATOMIQUE	发明人
分类号	E21B19/087	主分类号	E21B19/087
代理机构		代理人
主权项
地址

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