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发明名称	VARIABLE BUOYANCY ARRANGEMENT
摘要
申请公布号	US3541985(A)	申请公布日期	1970.11.24
申请号	USD3541985	申请日期	1968.10.11
申请人	WIREMOLD CO.:THE	发明人	ROBERT H. MURPHY;JULIAN GORDON
分类号	B63C11/22;B63G8/22;(IPC1-7):B63G8/14	主分类号	B63C11/22
代理机构		代理人
主权项
地址

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