Document Type and Number:
Japanese Patent JPS5219912
Kind Code:
B2
Application Number:
JP3979873A
Publication Date:
May 31, 1977
Filing Date:
April 06, 1973
Export Citation:
International Classes:
C02F3/34; C12N1/00; C12N1/16; C12R1/72; C12R1/85; C12R1/88