Document Type and Number:
Japanese Patent JPH0138041
Kind Code:
B2
Inventors:
TOMONARI TADAO
Application Number:
JP3720283A
Publication Date:
August 10, 1989
Filing Date:
March 07, 1983
Export Citation:
Assignee:
SHINTO UNYU KK
International Classes:
C01B31/36; C04B35/56; C04B35/573
Next Patent: JPH0138042