Document Type and Number:
Japanese Patent JPS57203192
Kind Code:
U
Application Number:
JP9205381U
Publication Date:
December 24, 1982
Filing Date:
June 22, 1981
Export Citation:
International Classes:
F16L55/04; B01D15/08; F15B3/00; G01N30/32; (IPC1-7): F16L55/04; B01D15/08; F15B3/00; G01N31/08