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发明名称
Frein pour mécanisme à disque d'appel d'appareil téléphonique automatique.
摘要
申请公布号
CH203558(A)
申请公布日期
1939.03.15
申请号
CHD203558
申请日期
1937.11.20
申请人
MARTENET,LOUIS
发明人
MARTENET,LOUIS
分类号
H04M1/315
主分类号
H04M1/315
代理机构
代理人
主权项
地址
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