Document Type and Number:
Japanese Patent JPS5223132
Kind Code:
Y2
Application Number:
JP5606272U
Publication Date:
May 27, 1977
Filing Date:
May 13, 1972
Export Citation:
International Classes:
E04B2/82; E04B2/74; E04B2/78; E04C3/32; (IPC1-7): E04B2/82; E04C3/32