Document Type and Number:
Japanese Patent JPS5532817
Kind Code:
B1
Application Number:
JP1721070A
Publication Date:
August 27, 1980
Filing Date:
February 28, 1970
Export Citation:
International Classes:
D04B7/00; D04B15/02; D04B15/66; (IPC1-7): D04B15/02; D04B15/66