Improvements in spring heels for footwear,申请号GB19370029602-传众专利搜索

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发明名称	Improvements in spring heels for footwear
摘要
申请公布号	GB502917(A)	申请公布日期	1939.03.28
申请号	GB19370029602	申请日期	1938.10.22
申请人	GEORGE GRIMWOOD	发明人
分类号	A43B21/30	主分类号	A43B21/30
代理机构		代理人
主权项
地址

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