Title:
SHIELD EXCAVATOR
Document Type and Number:
Japanese Patent JPS59126895
Kind Code:
A
Inventors:
YOSHIDA KANEYUKI
Application Number:
JP194583A
Publication Date:
July 21, 1984
Filing Date:
January 10, 1983
Export Citation:
Assignee:
ZENITAKA CORP
International Classes:
E21D9/06; E21D9/08; E21D9/12; (IPC1-7): E21D9/06; E21D9/08; E21D9/12
Domestic Patent References:
JPS50103129A | 1975-08-14 | |||
JPS57151797A | 1982-09-18 | |||
JPS52103826A | 1977-08-31 |
Attorney, Agent or Firm:
Unuma Tatsuyuki