Document Type and Number:
Japanese Patent JPS5094731
Kind Code:
U
Application Number:
JP391974U
Publication Date:
August 08, 1975
Filing Date:
December 26, 1973
Export Citation:
International Classes:
E04F21/16; B28B1/00; B28B1/29; B28B17/00; (IPC1-7): E04F21/16; B28B1/00