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发明名称
Improvements in variable speed gears
摘要
申请公布号
GB689925(A)
申请公布日期
1953.04.08
申请号
GB19500024433
申请日期
1950.10.06
申请人
HARRY FOGG PILKINGTON
发明人
分类号
F16D67/00;F16H3/72
主分类号
F16D67/00
代理机构
代理人
主权项
地址
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