Nonskid device for crutches and the like,申请号US19470730491-传众专利搜索

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发明名称	Nonskid device for crutches and the like
摘要
申请公布号	US2449509(A)	申请公布日期	1948.09.14
申请号	US19470730491	申请日期	1947.02.24
申请人	RICHARDS SIDNEY H	发明人	RICHARDS SIDNEY H.
分类号	A61H3/02	主分类号	A61H3/02
代理机构		代理人
主权项
地址

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