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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS646120
Kind Code:
Y2
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Application Number:
JP6683781U
Publication Date:
February 16, 1989
Filing Date:
May 09, 1981
Export Citation:
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International Classes:
A47B91/00; A47B77/00; A47B87/00; A47B91/02; A47B97/00; (IPC1-7): A47B87/00; A47B77/00; A47B91/02



 
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