Improved ship's ventilator head,申请号GB19530019749-传众专利搜索

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发明名称	Improved ship's ventilator head
摘要
申请公布号	GB741775(A)	申请公布日期	1955.12.14
申请号	GB19530019749	申请日期	1953.07.16
申请人	ROBERT KERR WALLACE	发明人
分类号	B63J2/10	主分类号	B63J2/10
代理机构		代理人
主权项
地址

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