Title:
【発明の名称】自穿孔式ロックボルト施工機
Document Type and Number:
Japanese Patent JP2867232
Kind Code:
B2
Inventors:
SUGIMOTO KATSUHIRO
Application Number:
JP31746795A
Publication Date:
March 08, 1999
Filing Date:
November 11, 1995
Export Citation:
Assignee:
NIPPON SHOKUSEI KK
International Classes:
E21D20/00; E02D5/80; E02D17/20; E21B1/00; E21B1/26; E21B3/00; E21B6/00; E21B6/02; E21B15/04; (IPC1-7): E21C1/12; E02D17/20; E21B6/00
Domestic Patent References:
| JP782979A | ||||
| JP586794A | ||||
| JP193283U | ||||
| JP63176194U |
Attorney, Agent or Firm:
Hideo Fujimoto