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发明名称
AUTOMATIC TELEPHONE OPERATOR
摘要
申请公布号
GR61469(B)
申请公布日期
1978.11.16
申请号
GR19127801572
申请日期
1978.09.12
申请人
ALATZAS A
发明人
ALATZAS A
分类号
主分类号
代理机构
代理人
主权项
地址
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