Improvements in or relating to pitot tubes,申请号GB19380000741-传众专利搜索

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发明名称	Improvements in or relating to pitot tubes
摘要
申请公布号	GB503646(A)	申请公布日期	1939.04.12
申请号	GB19380000741	申请日期	1938.01.10
申请人	PAUL KOLLSMAN	发明人
分类号	B22D19/00;G01F1/46;G01P5/165	主分类号	B22D19/00
代理机构		代理人
主权项
地址

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