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发明名称
VIDEO TELEPHONE SET
摘要
申请公布号
JPH03216091(A)
申请公布日期
1991.09.24
申请号
JP19900010601
申请日期
1990.01.22
申请人
HITACHI LTD
发明人
NISHIZAWA SHIGEKI
分类号
H04N7/14;H04M1/64;H04M1/65;H04M11/00
主分类号
H04N7/14
代理机构
代理人
主权项
地址
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