Document Type and Number:
Japanese Patent JPS57163764
Kind Code:
U
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Application Number:
JP5089781U
Publication Date:
October 15, 1982
Filing Date:
April 10, 1981
Export Citation:
International Classes:
H05K3/34; H05K1/02; H05K3/22; (IPC1-7): H05K3/22; H05K1/02