Improvements in internal-combustion operated free-piston rammers,申请号GB19530012859-传众专利搜索

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发明名称	Improvements in internal-combustion operated free-piston rammers
摘要
申请公布号	GB748608(A)	申请公布日期	1956.05.09
申请号	GB19530012859	申请日期	1953.05.08
申请人	GEORGES OYER	发明人
分类号	E02D7/12	主分类号	E02D7/12
代理机构		代理人
主权项
地址

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