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发明名称
Control means for chain shifting change-speed gears for cycles
摘要
申请公布号
US2583609(A)
申请公布日期
1952.01.29
申请号
US19480010628
申请日期
1948.02.25
申请人
"LES BREVETS SOUHART" S. A.
发明人
SOUHART JACQUES PAUL
分类号
B62K23/06;B62M25/04
主分类号
B62K23/06
代理机构
代理人
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