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发明名称
ZOOM TELEVISION DOOR PHONE
摘要
申请公布号
JPH04207595(A)
申请公布日期
1992.07.29
申请号
JP19900334448
申请日期
1990.11.30
申请人
AIPHONE CO LTD
发明人
SUMIYA HIROSHI
分类号
H04N5/222;H04N5/232;H04N7/18
主分类号
H04N5/222
代理机构
代理人
主权项
地址
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