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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS62169639
Kind Code:
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Publication Date:
October 28, 1987
Filing Date:
April 19, 1986
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International Classes:
A47B77/14; A47B46/00; A47B55/00; A47B96/02; A47B96/06; (IPC1-7): A47B46/00; A47B77/14; A47B96/02