Document Type and Number:
Japanese Patent JPS57158216
Kind Code:
U
Application Number:
JP4635981U
Publication Date:
October 05, 1982
Filing Date:
March 31, 1981
Export Citation:
International Classes:
H03F1/52; H03F1/42; H03F3/60; (IPC1-7): H03F1/52; H03F3/60
Previous Patent: JPS57158215
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