Title:
SMOKE CONSUMING FACILITY IN TUNNEL
Document Type and Number:
Japanese Patent JPS55166168
Kind Code:
A
Inventors:
YOKOYAMA TAKEO
Application Number:
JP7204379A
Publication Date:
December 25, 1980
Filing Date:
June 08, 1979
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
E21F5/20; A62C2/00; A62C3/02; A62C37/00; B03C3/00; B03C3/02; B03C3/68; E21F11/00; (IPC1-7): A62C3/02; A62C37/00; E21F11/00