Document Type and Number:
Japanese Patent JPS4920253
Kind Code:
B1
Application Number:
JP7828470A
Publication Date:
May 23, 1974
Filing Date:
September 07, 1970
Export Citation:
International Classes:
C03B37/12; D01B9/00; D01G11/00; D01G11/04; D01G25/00; D04H1/736; D04H17/00