Improvements in lifting and lowering gear for ships boats, applicable also to other uses,申请号GB19310014109-传众专利搜索

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发明名称	Improvements in lifting and lowering gear for ships boats, applicable also to other uses
摘要
申请公布号	GB378908(A)	申请公布日期	1932.08.15
申请号	GB19310014109	申请日期	1931.05.13
申请人	JOHN MCALLISTER	发明人
分类号	B63B21/08	主分类号	B63B21/08
代理机构		代理人
主权项
地址

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