Document Type and Number:
Japanese Patent JPS5438158
Kind Code:
Y2
Application Number:
JP5580772U
Publication Date:
November 14, 1979
Filing Date:
May 13, 1972
Export Citation:
International Classes:
E04F11/04; E04F11/02; E06C1/56; E06C9/14; (IPC1-7): E06C9/14; E06C1/56