Document Type and Number:
Japanese Patent JPS6142228
Kind Code:
B2
Inventors:
OKADA TOKUJI
Application Number:
JP14856380A
Publication Date:
September 19, 1986
Filing Date:
October 23, 1980
Export Citation:
Assignee:
KOGYO GIJUTSUIN
International Classes:
G01P13/02; G01P15/03; G01V3/40; G01V7/04