Spar-deck portable plate frame,申请号US19440522576-传众专利搜索

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发明名称	Spar-deck portable plate frame
摘要
申请公布号	US2352674(A)	申请公布日期	1944.07.04
申请号	US19440522576	申请日期	1944.02.16
申请人	WILLIAM YELLEN JOSEPH	发明人	YELLEN JOSEPH WILLIAM
分类号	B63B25/18	主分类号	B63B25/18
代理机构		代理人
主权项
地址

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