Document Type and Number:
Japanese Patent JPH0513785
Kind Code:
Y2
Application Number:
JP2811189U
Publication Date:
April 13, 1993
Filing Date:
March 14, 1989
Export Citation:
International Classes:
E02D17/20; E02D29/02; (IPC1-7): E02D17/20; E02D29/02
Next Patent: JPH0513786