Document Type and Number:
Japanese Patent JPH0381001
Kind Code:
B2
Inventors:
KOYANAGI JUZO
Application Number:
JP671184A
Publication Date:
December 26, 1991
Filing Date:
January 18, 1984
Export Citation:
Assignee:
SANWA SEIKI MFG CO LTD
International Classes:
F15B9/09; F15B13/043