Document Type and Number:
Japanese Patent JPH0450726
Kind Code:
Y2
Application Number:
JP17044386U
Publication Date:
November 30, 1992
Filing Date:
November 06, 1986
Export Citation:
International Classes:
F16B35/04; E04B1/41; E21D20/00; (IPC1-7): E04B1/41; E21D20/00; F16B35/04
Next Patent: JPH0450727