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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS538690
Kind Code:
B2
Application Number:
JP11780473A
Publication Date:
March 31, 1978
Filing Date:
October 22, 1973
Export Citation:
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International Classes:
C11B9/00; C07C33/05; C07C67/00; C07C401/00; C07C403/16