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发明名称
TELEVIDEO - VIDEOTELEFON
摘要
申请公布号
SE9001357(D0)
申请公布日期
1990.04.17
申请号
SE19900001357
申请日期
1990.04.17
申请人
GUSTAV EHRNST
发明人
GUSTAV EHRNST
分类号
主分类号
代理机构
代理人
主权项
地址
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