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经营范围
发明名称
EINTEILIGER FERNSPRECHAPPARAT
摘要
申请公布号
DE1512798(B2)
申请公布日期
1972.03.30
申请号
DE19671512798
申请日期
1967.03.02
申请人
发明人
分类号
H04M1/02;(IPC1-7):H04M1/02
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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