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发明名称
Changement de vitesse hydraulique
摘要
申请公布号
FR794055(A)
申请公布日期
1936.02.07
申请号
FRD794055
申请日期
1935.08.17
申请人
发明人
WILLIAM HERAULT
分类号
F16D31/02
主分类号
F16D31/02
代理机构
代理人
主权项
地址
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