Improvements in and relating to the detection and localising of gas leakages from street and other mains,申请号GB19290026553-传众专利搜索

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发明名称	Improvements in and relating to the detection and localising of gas leakages from street and other mains
摘要
申请公布号	GB337879(A)	申请公布日期	1930.11.13
申请号	GB19290026553	申请日期	1929.08.31
申请人	ROBERT MALVOS	发明人
分类号	F17D5/02;G01M3/02	主分类号	F17D5/02
代理机构		代理人
主权项
地址

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