Document Type and Number:
Japanese Patent JPS5758615
Kind Code:
B2
Inventors:
KUBOTA YOSHIMASA
KUROSAWA YUKIO
SUGAWARA HIROYUKI
KUROSAWA YUKIO
SUGAWARA HIROYUKI
Application Number:
JP13041175A
Publication Date:
December 10, 1982
Filing Date:
October 31, 1975
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G01L21/00; G01L21/30; G01L21/34; H01H35/24