Document Type and Number:
Japanese Patent JPS4918029
Kind Code:
Y1
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| JP3950707 | OPTICAL EQUIPMENT |
Application Number:
JP3260070U
Publication Date:
May 11, 1974
Filing Date:
April 03, 1970
Export Citation:
International Classes:
G03B9/07; G03B9/02; (IPC1-7): G03B9/02