Устройство для борьбы с эрозией гребных винтов,申请号SU19410312115-传众专利搜索

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发明名称	Устройство для борьбы с эрозией гребных винтов
摘要
申请公布号	SU118727(A1)	申请公布日期	1958.11.30
申请号	SU19410312115	申请日期	1941.02.12
申请人	FELDMAN D.YA.	发明人	FELDMAN D.YA.
分类号	B63H5/16	主分类号	B63H5/16
代理机构		代理人
主权项
地址

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