Document Type and Number:
Japanese Patent JPH0328640
Kind Code:
U
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Application Number:
JP8871989U
Publication Date:
March 22, 1991
Filing Date:
July 28, 1989
Export Citation:
International Classes:
H01J7/26; H04N5/74; (IPC1-7): H01J7/26; H04N5/74
Domestic Patent References:
| JP56156253B |
Next Patent: MULTICHAMBER VENTILATION FAN