Document Type and Number:
Japanese Patent JPS567326
Kind Code:
B1
Application Number:
JP4972471A
Publication Date:
February 17, 1981
Filing Date:
July 05, 1971
Export Citation:
International Classes:
H03K3/284; H03L1/02; (IPC1-7): H03K3/284; H03L1/02
Domestic Patent References:
| JPS4520813Y1 | 1970-08-20 |