Improvements relating to spring heels for boots and shoes,申请号GB19490010982-传众专利搜索

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发明名称	Improvements relating to spring heels for boots and shoes
摘要
申请公布号	GB664554(A)	申请公布日期	1952.01.09
申请号	GB19490010982	申请日期	1949.04.26
申请人	HAROLD EDWIN GRIFFITHS	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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