Document Type and Number:
Japanese Patent JPS636192
Kind Code:
Y2
Application Number:
JP7993482U
Publication Date:
February 22, 1988
Filing Date:
June 01, 1982
Export Citation:
International Classes:
C21D1/00; F27D13/00; F27D17/00; (IPC1-7): C21D1/00; F27D13/00
Next Patent: シャドウマスク補強用フレーム