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发明名称
PROJECTION SCREEN AND PROJECTION TYPE TELEVISION RECEIVER EQUIPPED WITH THIS PROJECTION SCREEN
摘要
申请公布号
JPH03107833(A)
申请公布日期
1991.05.08
申请号
JP19890243447
申请日期
1989.09.21
申请人
HITACHI LTD
发明人
TAKESHITA MASAMICHI;MURANAKA MASAYUKI;YOSHIKAWA HIROKI;SAKUMA TOSHIJI;WADA KIYOSHI
分类号
G03B21/62
主分类号
G03B21/62
代理机构
代理人
主权项
地址
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