Document Type and Number:
Japanese Patent JPH0213198
Kind Code:
B2
Inventors:
SUGYAMA TSUTOMU
Application Number:
JP9968683A
Publication Date:
April 03, 1990
Filing Date:
June 03, 1983
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F16K1/00; F16K31/122; F16K39/02
Next Patent: JPH0213199