Improvements in water level indicators,申请号GB19460014382-传众专利搜索

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发明名称	Improvements in water level indicators
摘要
申请公布号	GB611890(A)	申请公布日期	1948.11.04
申请号	GB19460014382	申请日期	1946.05.13
申请人	CECIL NOEL VALLON	发明人
分类号	G01F23/00	主分类号	G01F23/00
代理机构		代理人
主权项
地址

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