Document Type and Number:
Japanese Patent JPS635458
Kind Code:
B2
Inventors:
YOSHINAGA SHOJI
TODO MATSUZO
FUJIWARA KYOSHI
TODO MATSUZO
FUJIWARA KYOSHI
Application Number:
JP11368381A
Publication Date:
February 03, 1988
Filing Date:
July 22, 1981
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B01D11/04; C01G43/00; C22B60/02
Next Patent: SOUND SOURCE DEVICE OF ELECTRONIC MUSICAL INSTRUMENT