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发明名称
PREPARING METHOD FOR LIGHT VALVE
摘要
申请公布号
JPH01147425(A)
申请公布日期
1989.06.09
申请号
JP19870305403
申请日期
1987.12.02
申请人
CANON INC
发明人
SAKATA HAJIME
分类号
H01J31/24;G02F1/03
主分类号
H01J31/24
代理机构
代理人
主权项
地址
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