Document Type and Number:
Japanese Patent JPH02103299
Kind Code:
U
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Application Number:
JP1117189U
Publication Date:
August 16, 1990
Filing Date:
February 01, 1989
Export Citation:
International Classes:
G21G1/10; G21K5/00; G21K5/08; (IPC1-7): G21G1/10; G21K5/00; G21K5/08