Document Type and Number:
Japanese Patent JPS57136401
Kind Code:
U
Application Number:
JP2067781U
Publication Date:
August 25, 1982
Filing Date:
February 18, 1981
Export Citation:
International Classes:
C22B26/10; B01D7/02; B01D8/00; C22B60/02; G21C19/30; (IPC1-7): B01D8/00; B01D7/02; C22B60/02; G21C19/30