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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS54155539
Kind Code:
U
Application Number:
JP5201178U
Publication Date:
October 29, 1979
Filing Date:
April 21, 1978
Export Citation:
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International Classes:
G03B9/08; G03B9/24; (IPC1-7): G03B9/08



 
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