Improvements in or relating to balanced sliding windows,申请号GB19300000251-传众专利搜索

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发明名称	Improvements in or relating to balanced sliding windows
摘要
申请公布号	GB346662(A)	申请公布日期	1931.04.07
申请号	GB19300000251	申请日期	1930.01.03
申请人	SAMUEL ROWLAND PARKES	发明人
分类号	B61D25/00	主分类号	B61D25/00
代理机构		代理人
主权项
地址

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