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发明名称
TRANSMISSION TYPE PROJECTION SCREEN AND MANUFACTURE THEREOF, MOLD FOR MOLDING TRANSMISSION TYPE PROJECTION SCREEN, OVERHEAD PROJECTOR, AND PROJECTION TELEVISION SET
摘要
申请公布号
JPH04165343(A)
申请公布日期
1992.06.11
申请号
JP19900290937
申请日期
1990.10.30
申请人
HITACHI LTD
发明人
NISHIGUCHI TAKASHI;MASUDA MASAMI;TAGUCHI NORIYUKI
分类号
G03B21/132;G03B21/62;H04N5/74
主分类号
G03B21/132
代理机构
代理人
主权项
地址
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