Document Type and Number:
Japanese Patent JPS6180879
Kind Code:
U
More Like This:
Application Number:
JP16687084U
Publication Date:
May 29, 1986
Filing Date:
November 01, 1984
Export Citation:
International Classes:
E01C1/00; E03F5/04; E03F5/046; (IPC1-7): E03F5/04; E01C1/00
Domestic Patent References:
JPS5311829B2 | 1978-04-25 | |||
JP58140286B |