Improvements in or relating to steam injectors,申请号GB19470018537-传众专利搜索

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发明名称	Improvements in or relating to steam injectors
摘要
申请公布号	GB631901(A)	申请公布日期	1949.11.11
申请号	GB19470018537	申请日期	1947.07.11
申请人	NATHAN MANUFACTURING COMPANY	发明人
分类号	F04F5/48	主分类号	F04F5/48
代理机构		代理人
主权项
地址

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