Document Type and Number:
Japanese Patent JPH0143677
Kind Code:
Y2
Application Number:
JP8860483U
Publication Date:
December 18, 1989
Filing Date:
June 10, 1983
Export Citation:
International Classes:
B08B3/12; G21F9/00; G21F9/28; G21F9/30; (IPC1-7): G21F9/28
Next Patent: JPH0143678