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发明名称
Adjonction de liaisons élastiques dans les dispositifs à manivelle, le pédalier de bicyclette particulièrement pour améliorer le rendement
摘要
申请公布号
FR866551(A)
申请公布日期
1941.08.20
申请号
FRD866551
申请日期
1940.07.22
申请人
发明人
ORAIN FRANCOIS, MARIE
分类号
B62M1/10
主分类号
B62M1/10
代理机构
代理人
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