Title:
DEVICE FOR MONITORING VACUUM DEGREE OF VACUUM BREAKER
Document Type and Number:
Japanese Patent JPS55111026
Kind Code:
A
Inventors:
FUKUSHIMA TOMIO
Application Number:
JP1869879A
Publication Date:
August 27, 1980
Filing Date:
February 20, 1979
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD
International Classes:
G01L21/00; H01H33/66; (IPC1-7): G01L21/00; H01H33/66