GATEESHAPED GROUND EXCAVATOR - HITACHI SHIPBUILDING ENG CO

Title:

GATEESHAPED GROUND EXCAVATOR

Document Type and Number:

Japanese Patent JPS53114202

Kind Code:

A

Inventors:

TSUDA KOUICHI
MARUYAMA YOSHIHARU
ITONAGA HIROSHI

Application Number:

JP2947977A

Publication Date:

October 05, 1978

Filing Date:

March 16, 1977

Export Citation:

Assignee:

HITACHI SHIPBUILDING ENG CO

International Classes:

E02F7/00; E02F3/00; E02F3/30; (IPC1-7): E02F3/00

Domestic Patent References:

Previous Patent: JPS53114201

Next Patent: JPS53114203