Boiler water gauges providing uncorrected level indications and level indications corrected for density of the boiler water,申请号US19550537197-传众专利搜索

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发明名称	Boiler water gauges providing uncorrected level indications and level indications corrected for density of the boiler water
摘要
申请公布号	US2791906(A)	申请公布日期	1957.05.14
申请号	US19550537197	申请日期	1955.09.28
申请人	HAGAN CHEMICALS & CONTROLS, INC.	发明人	VETTER OTTO B.
分类号	G01F23/14;G05D9/00	主分类号	G01F23/14
代理机构		代理人
主权项
地址

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