Document Type and Number:
Japanese Patent JPS5010453
Kind Code:
Y1
Application Number:
JP10983769U
Publication Date:
April 02, 1975
Filing Date:
November 19, 1969
Export Citation:
International Classes:
E04B1/86; B01D53/14; B01D53/34; B01D53/50; B01D53/52; B01D53/81; (IPC1-7): B01D53/14; B01D53/34
Foreign References:
| GB1144071A | 1969-03-05 |