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发明名称
TELEVISION SIGNAL SUPERIMPOSING CIRCUIT FOR VIDEO TAPE RECORDER
摘要
申请公布号
JPH02231874(A)
申请公布日期
1990.09.13
申请号
JP19890052681
申请日期
1989.03.03
申请人
RICOH CO LTD
发明人
SAKAGUCHI TOMOHIRO
分类号
H04N5/278
主分类号
H04N5/278
代理机构
代理人
主权项
地址
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