Improvements in steam injectors,申请号GB19380015444-传众专利搜索

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发明名称	Improvements in steam injectors
摘要
申请公布号	GB512080(A)	申请公布日期	1939.08.29
申请号	GB19380015444	申请日期	1938.05.24
申请人	DAVIES & METCALFE LIMITED	发明人
分类号	F04F5/46	主分类号	F04F5/46
代理机构		代理人
主权项
地址

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