Improvements in or relating to apparatus for indicating the presence of explosive orinflammable vapours or gases,申请号GB19500021157-传众专利搜索

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发明名称	Improvements in or relating to apparatus for indicating the presence of explosive orinflammable vapours or gases
摘要
申请公布号	GB711133(A)	申请公布日期	1954.06.23
申请号	GB19500021157	申请日期	1950.08.26
申请人	HENRY THOMAS RINGROSE	发明人
分类号	G01N7/12	主分类号	G01N7/12
代理机构		代理人
主权项
地址

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