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发明名称
Wechselsprechanlage
摘要
申请公布号
CH352005(A)
申请公布日期
1961.02.15
申请号
CHD352005
申请日期
1957.07.11
申请人
HONEGGER,CHARLES
发明人
HONEGGER,CHARLES
分类号
H04M9/00
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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