Self-propelling roller skate,申请号US19660541831-传众专利搜索

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发明名称	Self-propelling roller skate
摘要
申请公布号	US3392986(A)	申请公布日期	1968.07.16
申请号	US19660541831	申请日期	1966.04.11
申请人	MATTEL, INC.	发明人	RYAN JOHN W.;STORMON LESTER T.
分类号	A63C17/12	主分类号	A63C17/12
代理机构		代理人
主权项
地址

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