Document Type and Number:
Japanese Patent JPS4874207
Kind Code:
U
Application Number:
JP11846671U
Publication Date:
September 14, 1973
Filing Date:
December 15, 1971
Export Citation:
International Classes:
E04B1/18; E04B1/30; E04B1/38; E04B1/58; (IPC1-7): E04B1/40; E04B1/30