Nonskid walking spur,申请号US19440539744-传众专利搜索

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发明名称	Nonskid walking spur
摘要
申请公布号	US2370240(A)	申请公布日期	1945.02.27
申请号	US19440539744	申请日期	1944.06.10
申请人	ALBERT HALL	发明人	HALL ALBERT
分类号	A43C15/06	主分类号	A43C15/06
代理机构		代理人
主权项
地址

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