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Document Type and Number:
Japanese Patent JPS53135989
Kind Code:
U
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Application Number:
JP4105477U
Publication Date:
October 27, 1978
Filing Date:
March 31, 1977
Export Citation:
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International Classes:
G02B5/30; F21S8/10; F21V11/00; (IPC1-7): F21M3/26; G02B5/30
Domestic Patent References:
JP46000475U



 
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