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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5246934
Kind Code:
B2
Application Number:
JP7181371A
Publication Date:
November 29, 1977
Filing Date:
September 17, 1971
Export Citation:
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International Classes:
C07C29/132; C07C27/00; C07C29/90; C07C33/22; C07C33/30; C07C67/00; (IPC1-7): C07C31/14; C07C29/26