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发明名称
Perfectionnements aux roues métalliques
摘要
申请公布号
FR864382(A)
申请公布日期
1941.04.25
申请号
FRD864382
申请日期
1939.12.01
申请人
发明人
DITTNER FREDERIC
分类号
B60B1/00
主分类号
B60B1/00
代理机构
代理人
主权项
地址
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