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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS552420
Kind Code:
B2
Application Number:
JP7704971A
Publication Date:
January 19, 1980
Filing Date:
October 01, 1971
Export Citation:
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International Classes:
C07C46/10; (IPC1-7): C07C43/315; C07C41/48; C07C43/32