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发明名称
Improvements in control means for chain shifting change speed devices and analogous systems for cycles and analogous vehicles
摘要
申请公布号
GB644090(A)
申请公布日期
1950.10.04
申请号
GB19470033718
申请日期
1947.12.20
申请人
LES BREVETS SOUHART S.A.
发明人
分类号
B62K23/06;B62M25/04
主分类号
B62K23/06
代理机构
代理人
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地址
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