Document Type and Number:
Japanese Patent JPS5226532
Kind Code:
Y2
Application Number:
JP147875U
Publication Date:
June 16, 1977
Filing Date:
December 28, 1974
Export Citation:
International Classes:
B28B7/00; B28B17/00; E04G9/00; (IPC1-7): B28B17/00; B28B7/00; E04G9/00