Improvements relating to fluid operated hammers,申请号GB19310035219-传众专利搜索

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发明名称	Improvements relating to fluid operated hammers
摘要
申请公布号	GB385424(A)	申请公布日期	1932.12.29
申请号	GB19310035219	申请日期	1931.12.19
申请人	BERNARD POWELL-BRETT	发明人
分类号	B21J7/24	主分类号	B21J7/24
代理机构		代理人
主权项
地址

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