Improvements relating to fluid flow indicators,申请号GB19300001357-传众专利搜索

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发明名称	Improvements relating to fluid flow indicators
摘要
申请公布号	GB353387(A)	申请公布日期	1931.07.23
申请号	GB19300001357	申请日期	1930.01.14
申请人	ASSOCIATED ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	B02B1/02;G01F1/38	主分类号	B02B1/02
代理机构		代理人
主权项
地址

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