Document Type and Number:
Japanese Patent JPH0519471
Kind Code:
Y2
Application Number:
JP6494985U
Publication Date:
May 21, 1993
Filing Date:
April 30, 1985
Export Citation:
International Classes:
E04F15/14; E04B1/68; E04D11/00; (IPC1-7): E04F15/14
Next Patent: JPH0519472