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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS4840263
Kind Code:
Application Number:
Publication Date:
May 21, 1973
Filing Date:
September 14, 1971
Export Citation:
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International Classes:
A47L11/164; A47L11/00; A47L11/19; A47L11/40; (IPC1-7): A47L11/40; A47L11/00

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