Document Type and Number:
Japanese Patent JPS5242941
Kind Code:
Y2
Application Number:
JP2581875U
Publication Date:
September 29, 1977
Filing Date:
February 24, 1975
Export Citation:
International Classes:
E04B1/41; B28B7/00; B28B7/34; B28B11/02; B28B23/00; E04G9/10; E04G15/04; (IPC1-7): B28B11/02; E04G15/04