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发明名称
PORTABLE SCREEN DEVICE
摘要
申请公布号
JPH1097001(A)
申请公布日期
1998.04.14
申请号
JP19960251847
申请日期
1996.09.24
申请人
HITACHI LTD
发明人
YAMADA YUICHI;TSUZUKI TOSHIHIKO
分类号
G03B21/58;(IPC1-7):G03B21/58
主分类号
G03B21/58
代理机构
代理人
主权项
地址
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