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发明名称
Dispositivo di sopporto per la cornetta telefonica durante le conversazioni.
摘要
申请公布号
CH253125(A)
申请公布日期
1948.02.15
申请号
CHD253125
申请日期
1946.11.26
申请人
REALINI,LUIGI
发明人
REALINI,LUIGI
分类号
H04M1/04
主分类号
H04M1/04
代理机构
代理人
主权项
地址
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