Improvements in spring supported seats,申请号GB19310016318-传众专利搜索

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发明名称	Improvements in spring supported seats
摘要
申请公布号	GB379404(A)	申请公布日期	1932.09.01
申请号	GB19310016318	申请日期	1931.06.04
申请人	THE FIRM OF WILHELM KNOLL	发明人
分类号	B60N2/54;B60N2/70	主分类号	B60N2/54
代理机构		代理人
主权项
地址

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