Title:
【発明の名称】コンクリート建造物用穿孔機
Document Type and Number:
Japanese Patent JP2650191
Kind Code:
B2
Inventors:
KOBAYASHI NAOHIKO
Application Number:
JP3149288A
Publication Date:
September 03, 1997
Filing Date:
February 12, 1988
Export Citation:
Assignee:
KOBAYASHI RITA
International Classes:
E04G23/02; B28D1/14; B28D1/26; (IPC1-7): B28D1/14; B28D1/26
Domestic Patent References:
| JP62201642U | ||||
| JP6087650U |
Attorney, Agent or Firm:
Tsutomu Inoue