Document Type and Number:
Japanese Patent JPS5157057
Kind Code:
U
Application Number:
JP13094174U
Publication Date:
May 04, 1976
Filing Date:
October 28, 1974
Export Citation:
International Classes:
E02D5/00; E02D17/00; E04G21/18; G01C15/02; (IPC1-7): G01C15/02; E02D17/00
Domestic Patent References:
| JP49072263B |