Improvements in or relating to hospital or invalid beds and mattresses therefor,申请号GB19300003053-传众专利搜索

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发明名称	Improvements in or relating to hospital or invalid beds and mattresses therefor
摘要
申请公布号	GB347634(A)	申请公布日期	1931.04.29
申请号	GB19300003053	申请日期	1930.01.29
申请人	JOHANNES PIETER HENDRIK WOLTMAN	发明人
分类号	A61G7/02	主分类号	A61G7/02
代理机构		代理人
主权项
地址

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