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发明名称
Dispositif d'accouplement s'effectuant au moyen de pas en spirales
摘要
申请公布号
FR42785(E)
申请公布日期
1933.10.10
申请号
FRD42785
申请日期
1932.05.26
申请人
发明人
VILLARD MARCEL
分类号
F16H1/30
主分类号
F16H1/30
代理机构
代理人
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