An improved variable-speed gear,申请号GB19340002107-传众专利搜索

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发明名称	An improved variable-speed gear
摘要
申请公布号	GB450593(A)	申请公布日期	1936.07.21
申请号	GB19340002107	申请日期	1935.01.21
申请人	THOMAS CHARLES PRICKETT	发明人
分类号	F16D67/00	主分类号	F16D67/00
代理机构		代理人
主权项
地址

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