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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57172550
Kind Code:
U
Application Number:
JP6173881U
Publication Date:
October 30, 1982
Filing Date:
April 28, 1981
Export Citation:
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International Classes:
A47L15/48; A47B77/08; (IPC1-7): A47B77/08; A47L15/48