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Document Type and Number:
Japanese Patent JPS62180469
Kind Code:
U
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Application Number:
JP1239686U
Publication Date:
November 16, 1987
Filing Date:
January 30, 1986
Export Citation:
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International Classes:
G02C7/10; A63B47/00; A63B47/02; (IPC1-7): A63B47/02; G02C7/10



 
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