Document Type and Number:
Japanese Patent JPS6410657
Kind Code:
U
Application Number:
JP10450987U
Publication Date:
January 20, 1989
Filing Date:
July 09, 1987
Export Citation:
International Classes:
B01D15/04; C22B60/02; G01N30/96; (IPC1-7): G01N30/96; B01D15/04; C22B60/02
Domestic Patent References:
| JPS49106891A | 1974-10-09 | |||
| JPS5219595A | 1977-02-14 |