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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5412435
Kind Code:
U
Application Number:
JP8574077U
Publication Date:
January 26, 1979
Filing Date:
June 29, 1977
Export Citation:
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International Classes:
G03B15/03; (IPC1-7): G03B15/03
Domestic Patent References:
JPS277351Y1