Title:
【考案の名称】遮光装置
Document Type and Number:
Japanese Patent JPH04114050
Kind Code:
U
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Inventors:
Hideo Noda
Application Number:
JP2572691U
Publication Date:
October 07, 1992
Filing Date:
March 25, 1991
Export Citation:
International Classes:
G03B42/02; (IPC1-7): G03B42/02