Walker for invalids,申请号US19510249553-传众专利搜索

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发明名称	Walker for invalids
摘要
申请公布号	US2654416(A)	申请公布日期	1953.10.06
申请号	US19510249553	申请日期	1951.10.03
申请人	PIETRO MANISCALCO	发明人	MANISCALCO PIETRO
分类号	A61H3/00;A61H3/04	主分类号	A61H3/00
代理机构		代理人
主权项
地址

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