Change speed gear,申请号US19310543707-传众专利搜索

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发明名称	Change speed gear
摘要
申请公布号	US1868196(A)	申请公布日期	1932.07.19
申请号	US19310543707	申请日期	1931.06.11
申请人	LEON JACOT-DESCOMBES	发明人	JACOT-DESCOMBES LEON
分类号	F16H29/14	主分类号	F16H29/14
代理机构		代理人
主权项
地址

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