Title:
【考案の名称】流通孔の閉鎖防止構造
Document Type and Number:
Japanese Patent JPS59113566
Kind Code:
U
Inventors:
Nobuyoshi Haneda
Application Number:
JP668583U
Publication Date:
July 31, 1984
Filing Date:
January 20, 1983
Export Citation:
International Classes:
F16K1/14; F16K11/04; F16K11/056; (IPC1-7): F16K11/04; F16K1/14