Document Type and Number:
Japanese Patent JPS6230034
Kind Code:
Y2
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Application Number:
JP12300180U
Publication Date:
August 01, 1987
Filing Date:
August 29, 1980
Export Citation:
International Classes:
G03B27/52; G03B27/32; G03G15/04; G03G15/16; G03G15/22; (IPC1-7): G03G15/22; G03B27/32
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