Document Type and Number:
Japanese Patent JPS5210803
Kind Code:
Y2
Application Number:
JP12026472U
Publication Date:
March 09, 1977
Filing Date:
October 18, 1972
Export Citation:
International Classes:
E02D29/02; E04G9/00; E04G9/02; E04G9/04; (IPC1-7): E02D29/02; E04G9/02