Document Type and Number:
Japanese Patent JPS5227987
Kind Code:
Y2
Application Number:
JP4812072U
Publication Date:
June 25, 1977
Filing Date:
April 21, 1972
Export Citation:
International Classes:
D03D15/00; D03D19/00; D03D25/00; (IPC1-7): D03D15/00; D03D19/00; D03D25/00