Improvements in or relating to blade-wheel propellers,申请号GB19380027054-传众专利搜索

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发明名称	Improvements in or relating to blade-wheel propellers
摘要
申请公布号	GB507393(A)	申请公布日期	1939.06.14
申请号	GB19380027054	申请日期	1938.09.16
申请人	WALTHER VOITH;HERMANN VOITH;HANNS VOITH	发明人
分类号	B63H1/10	主分类号	B63H1/10
代理机构		代理人
主权项
地址

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