Improvements in double sprocket pedal crank wheels for bicycles,申请号GB19590038471-传众专利搜索

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发明名称	Improvements in double sprocket pedal crank wheels for bicycles
摘要
申请公布号	GB921614(A)	申请公布日期	1963.03.20
申请号	GB19590038471	申请日期	1959.11.12
申请人	TULLIO CAMPAGNOLO	发明人
分类号	B62M9/10	主分类号	B62M9/10
代理机构		代理人
主权项
地址

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