Document Type and Number:
Japanese Patent JPS5342686
Kind Code:
U
Application Number:
JP12451276U
Publication Date:
April 12, 1978
Filing Date:
September 16, 1976
Export Citation:
International Classes:
G09B23/24; B01L7/00; B01L7/02; (IPC1-7): B01L7/02; G09B23/24
Domestic Patent References:
| JPS2613994Y1 |