Document Type and Number:
Japanese Patent JPS5621145
Kind Code:
B2
Application Number:
JP5367277A
Publication Date:
May 18, 1981
Filing Date:
May 12, 1977
Export Citation:
International Classes:
G03C7/26; C07C27/00; C07C39/12; C07C39/15; C07C67/00; G03C1/06