Document Type and Number:
Japanese Patent JPS4922141
Kind Code:
U
Application Number:
JP6376472U
Publication Date:
February 25, 1974
Filing Date:
May 30, 1972
Export Citation:
International Classes:
C01B17/96; B01J10/00; C01D5/00; C01D5/04; (IPC1-7): C01D5/00; B01J10/00