Title:
【考案の名称】穿孔具
Document Type and Number:
Japanese Patent JPH0624896
Kind Code:
U
Inventors:
Yoichiro Ozaki
Hiroshi Shimizu
Hiroshi Shimizu
Application Number:
JP6084792U
Publication Date:
April 05, 1994
Filing Date:
August 31, 1992
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
B26F1/16; B23B41/08; F16L41/04; (IPC1-7): B26F1/16
Domestic Patent References:
| JPS5255179U | 1977-04-21 | |||
| JPS526887U | 1977-01-18 |
Attorney, Agent or Firm:
Kitamura Osamu