Document Type and Number:
Japanese Patent JPS4826872
Kind Code:
Y1
Application Number:
JP1271469U
Publication Date:
August 07, 1973
Filing Date:
February 12, 1969
Export Citation:
International Classes:
C02F3/28; G01L7/00; (IPC1-7): C02C1/14; C02C1/02; G01L7/00