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发明名称
Roue dentée
摘要
申请公布号
FR721569(A)
申请公布日期
1932.03.04
申请号
FRD721569
申请日期
1931.08.11
申请人
发明人
FREY SIM
分类号
F16H55/12
主分类号
F16H55/12
代理机构
代理人
主权项
地址
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