Document Type and Number:
Japanese Patent JPH0242289
Kind Code:
Y2
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Application Number:
JP5782882U
Publication Date:
November 09, 1990
Filing Date:
April 21, 1982
Export Citation:
International Classes:
G21F3/02; A62B17/00; G21F3/025; (IPC1-7): A62B17/00; G21F3/02
Next Patent: JPH0242290