Device for swinging ships,申请号US19450609705-传众专利搜索

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发明名称	Device for swinging ships
摘要
申请公布号	US2531484(A)	申请公布日期	1950.11.28
申请号	US19450609705	申请日期	1945.08.08
申请人	DUSEN FREDERICK J VAN;BURKE WALTER A	发明人	DUSEN FREDERICK J. VAN;BURKE WALTER A.
分类号	G01C17/38	主分类号	G01C17/38
代理机构		代理人
主权项
地址

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