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发明名称
Dispositif d'appel téléphonique du type à boutons-poussoirs.
摘要
申请公布号
BE594786(A1)
申请公布日期
1961.01.02
申请号
BE19600594786
申请日期
1960.09.06
申请人
OKI ELECTRIC INDUSTRY COMPANY, LTD.
发明人
R. SASAKI
分类号
H04M1/274;(IPC1-7):H04M
主分类号
H04M1/274
代理机构
代理人
主权项
地址
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