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发明名称
CONTROL FOR VARIABLE SPEED GEARS ON CYCLES
摘要
申请公布号
CA479925(A)
申请公布日期
1952.01.01
申请号
CAD479925
申请日期
申请人
THE HERCULES CYCLE AND MOTOR COMPANY LIMITED
发明人
THOMAS ALFRED YAPP
分类号
主分类号
代理机构
代理人
主权项
地址
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