Shoe ventilating device,申请号US19330671065-传众专利搜索

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发明名称	Shoe ventilating device
摘要
申请公布号	US2010151(A)	申请公布日期	1935.08.06
申请号	US19330671065	申请日期	1933.05.15
申请人	CARL HELWIG ARTHUR	发明人	HELWIG ARTHUR CARL
分类号	A43B7/06	主分类号	A43B7/06
代理机构		代理人
主权项
地址

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