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发明名称
Dispositif d'entraînement ou de guidage par galets de rubans minces
摘要
申请公布号
FR926558(A)
申请公布日期
1947.10.06
申请号
FRD926558
申请日期
1946.02.06
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G03B1/42;G11B15/29
主分类号
G03B1/42
代理机构
代理人
主权项
地址
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