Document Type and Number:
Japanese Patent JPH0258397
Kind Code:
B2
Inventors:
ONDA AKIO
Application Number:
JP6428183A
Publication Date:
December 07, 1990
Filing Date:
April 11, 1983
Export Citation:
Assignee:
KOGYO GIJUTSUIN
International Classes:
D21C3/22; C12S3/08; D21C1/00
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