Document Type and Number:
Japanese Patent JPS4942597
Kind Code:
A
Application Number:
JP8740872A
Publication Date:
April 22, 1974
Filing Date:
August 30, 1972
Export Citation:
International Classes:
C01G49/06; C01G49/02; C09C1/00; C09C1/22; (IPC1-7): C01G49/06