Gauge reading box for closed tanks,申请号US19380199932-传众专利搜索

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发明名称	Gauge reading box for closed tanks
摘要
申请公布号	US2217958(A)	申请公布日期	1940.10.15
申请号	US19380199932	申请日期	1938.04.04
申请人	LONG FRANK V	发明人	LONG FRANK V.
分类号	G01F23/30;G01F23/42	主分类号	G01F23/30
代理机构		代理人
主权项
地址

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