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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5642950
Kind Code:
U
Application Number:
JP12344579U
Publication Date:
April 18, 1981
Filing Date:
September 06, 1979
Export Citation:
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International Classes:
C10B31/00; C10B43/00; C10B45/00; (IPC1-7): C10B31/00; C10B45/00