Submarine life-saving device,申请号US19280262570-传众专利搜索

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发明名称	Submarine life-saving device
摘要
申请公布号	US1786627(A)	申请公布日期	1930.12.30
申请号	US19280262570	申请日期	1928.03.17
申请人	GEORGS MEISTER	发明人	MEISTER GEORGS
分类号	B63G8/41	主分类号	B63G8/41
代理机构		代理人
主权项
地址

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