Document Type and Number:
Japanese Patent JPH0141761
Kind Code:
Y2
Application Number:
JP10002484U
Publication Date:
December 08, 1989
Filing Date:
July 04, 1984
Export Citation:
International Classes:
E01C3/00; E01C7/02; (IPC1-7): E01C3/00; E01C7/02
Next Patent: JPH0141762