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发明名称
Improvements in and relating to variable speed gearing for motor cycles and the like
摘要
申请公布号
GB346521(A)
申请公布日期
1931.04.16
申请号
GB19300005906
申请日期
1930.02.22
申请人
STURMEY-ARCHER GEARS LIMITED;WILLIAM WILKIE
发明人
分类号
B62M25/00
主分类号
B62M25/00
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