Document Type and Number:
Japanese Patent JPS555879
Kind Code:
B2
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JPS63139412 | PROGRAMMABLE VARIABLE ATTENUATOR |
Application Number:
JP1360974A
Publication Date:
February 12, 1980
Filing Date:
February 04, 1974
Export Citation:
International Classes:
H01P1/22; H01B3/00; H01Q17/00; H05K9/00
Next Patent: METHOD OF MANUFACTURING INTERIOR MATERIAL