Document Type and Number:
Japanese Patent JPS53149858
Kind Code:
U
Application Number:
JP5522877U
Publication Date:
November 25, 1978
Filing Date:
April 30, 1977
Export Citation:
International Classes:
H05K1/14; H01L23/50; H05K1/11; H05K3/36; (IPC1-7): H05K1/04; H05K3/36
Domestic Patent References:
| JPS487270A |