Saving buoy for the crew of submarine,申请号GB19310020733-传众专利搜索

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发明名称	Saving buoy for the crew of submarine
摘要
申请公布号	GB378622(A)	申请公布日期	1932.08.18
申请号	GB19310020733	申请日期	1931.07.20
申请人	FRITZ GNIWODDA, JUN.	发明人
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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