Navigational control means,申请号US19380195174-传众专利搜索

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发明名称	Navigational control means
摘要
申请公布号	US2194217(A)	申请公布日期	1940.03.19
申请号	US19380195174	申请日期	1938.03.10
申请人	CRANE CARL J;STOUT RAYMOND K	发明人	CRANE CARL J.;STOUT RAYMOND K.
分类号	B63H25/28;G05D1/00	主分类号	B63H25/28
代理机构		代理人
主权项
地址

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