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Document Type and Number:
Japanese Patent JPS4836950
Kind Code:
U
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Application Number:
JP8041771U
Publication Date:
May 04, 1973
Filing Date:
September 04, 1971
Export Citation:
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International Classes:
G09B7/00; E06B3/04; (IPC1-7): G09B7/00; E06B3/04



 
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