Document Type and Number:
Japanese Patent JPS5156781
Kind Code:
A
Inventors:
KIMURA SHOICHI
Application Number:
JP13104774A
Publication Date:
May 18, 1976
Filing Date:
November 15, 1974
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B01D53/04; (IPC1-7): B01D53/04