Title:
REFRACTORY BOARD EXCELLENT IN HUMIDITY CONTROL PROPERTY
Document Type and Number:
Japanese Patent JPS63138049
Kind Code:
A
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Inventors:
MIHASHI SUSUMU
Application Number:
JP28335986A
Publication Date:
June 10, 1988
Filing Date:
November 28, 1986
Export Citation:
Assignee:
NIPPON ZEON CO
International Classes:
E04C2/04; C04B38/08; (IPC1-7): C04B38/08; E04C2/04