Footwear safety guard,申请号US19480023956-传众专利搜索

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发明名称	Footwear safety guard
摘要
申请公布号	US2555900(A)	申请公布日期	1951.06.05
申请号	US19480023956	申请日期	1948.04.29
申请人	DAVID B. OLIVER	发明人	ROBERTS SAMUEL S.
分类号	A43C13/14	主分类号	A43C13/14
代理机构		代理人
主权项
地址

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