Title:
【発明の名称】地下掘削工事用排土装置
Document Type and Number:
Japanese Patent JP2647621
Kind Code:
B2
Inventors:
OKADA MASAJI
YANASE HISATOMO
HATSUSHIBA AKIO
YANASE HISATOMO
HATSUSHIBA AKIO
Application Number:
JP3849894A
Publication Date:
August 27, 1997
Filing Date:
March 09, 1994
Export Citation:
Assignee:
OOBAYASHIGUMI KK
ZEI ESU TEI GIKEN KK
HATSUSHIBA KOGYO KK
ZEI ESU TEI GIKEN KK
HATSUSHIBA KOGYO KK
International Classes:
E02F7/00; B04C9/00; B65G17/12; (IPC1-7): E02F7/00; B04C9/00; B65G17/12
Domestic Patent References:
| JP48100902A | ||||
| JP220724A | ||||
| JP233852U | ||||
| JP4968236U | ||||
| JP5949690U | ||||
| JP229987U |
Attorney, Agent or Firm:
Kazuo Sato (3 others)