Two-seated tricycle,申请号US19470735325-传众专利搜索

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发明名称	Two-seated tricycle
摘要
申请公布号	US2493561(A)	申请公布日期	1950.01.03
申请号	US19470735325	申请日期	1947.03.18
申请人	ROC-A-RIDE CORPORATION	发明人	WILLIAMS HARRY S.
分类号	B62B9/22	主分类号	B62B9/22
代理机构		代理人
主权项
地址

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