Roller skate wheel or caster,申请号US19400329801-传众专利搜索

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发明名称	Roller skate wheel or caster
摘要
申请公布号	US2261823(A)	申请公布日期	1941.11.04
申请号	US19400329801	申请日期	1940.04.15
申请人	DUNGLISON BALLARD ROBLEY	发明人	BALLARD ROBLEY DUNGLISON
分类号	A63C17/22	主分类号	A63C17/22
代理机构		代理人
主权项
地址

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