Title:
【発明の名称】小口径管推進機械
Document Type and Number:
Japanese Patent JP2524726
Kind Code:
B2
Inventors:
OOKUBO YASUO
TAKEUCHI TAKU
MYAJI MASATOSHI
TAKEUCHI TAKU
MYAJI MASATOSHI
Application Number:
JP336987A
Publication Date:
August 14, 1996
Filing Date:
January 12, 1987
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
E21D9/093; E21D9/06; (IPC1-7): E21D9/06
Domestic Patent References:
| JP5491911A | ||||
| JP5796288U |
Attorney, Agent or Firm:
Matsuzawa Osamu