Improvements in watertight covers for ships' hatchways,申请号GB19340006531-传众专利搜索

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发明名称	Improvements in watertight covers for ships' hatchways
摘要
申请公布号	GB434212(A)	申请公布日期	1935.08.28
申请号	GB19340006531	申请日期	1934.02.28
申请人	EDWARD ELIAS VON TELL	发明人
分类号	B63B19/19	主分类号	B63B19/19
代理机构		代理人
主权项
地址

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