Document Type and Number:
Japanese Patent JPS5020743
Kind Code:
Y2
Application Number:
JP6753171U
Publication Date:
June 23, 1975
Filing Date:
July 29, 1971
Export Citation:
International Classes:
B42F5/04; B42D1/08; B42F7/00; (IPC1-7): B42D1/08; B42F7/00