Document Type and Number:
Japanese Patent JPS50117334
Kind Code:
U
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Application Number:
JP2741774U
Publication Date:
September 25, 1975
Filing Date:
March 11, 1974
Export Citation:
International Classes:
H02G13/00; H05F3/02; (IPC1-7): H05F3/02
Domestic Patent References:
| JPS4317007Y1 | 1968-07-15 | |||
| JPS366636Y1 |
Foreign References:
| US3009982A | 1961-11-21 |