Document Type and Number:
Japanese Patent JPS4820914
Kind Code:
Y1
More Like This:
JPH0747496 | [Name of device] Shield excavator |
Application Number:
JP10274170U
Publication Date:
June 18, 1973
Filing Date:
October 16, 1970
Export Citation:
International Classes:
E21D9/06; E21D9/08; E21D9/10; (IPC1-7): E21D9/08; E21D9/10