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发明名称
Changement de vitesses par engrenages extensibles
摘要
申请公布号
FR696477(A)
申请公布日期
1930.12.31
申请号
FRD696477
申请日期
1930.06.02
申请人
发明人
JANSEN JACQUES-HENRI
分类号
F16H3/42
主分类号
F16H3/42
代理机构
代理人
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