Document Type and Number:
Japanese Patent JPS4875584
Kind Code:
U
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Application Number:
JP12213271U
Publication Date:
September 19, 1973
Filing Date:
December 20, 1971
Export Citation:
International Classes:
G08B23/00; H03K3/282; H03K3/66; H03K3/70; (IPC1-7): G08B23/00; H03K1/12; H03K3/282; H03K3/70
Domestic Patent References:
| JPS3932003Y1 |