Improvements in hydrovanes and landing floats,申请号GB19390013043-传众专利搜索

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发明名称	Improvements in hydrovanes and landing floats
摘要
申请公布号	GB523243(A)	申请公布日期	1940.07.09
申请号	GB19390013043	申请日期	1939.05.02
申请人	EDWIN WADDINGTON	发明人
分类号	B63B1/18	主分类号	B63B1/18
代理机构		代理人
主权项
地址

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