Title:
【発明の名称】床点検口の錠付き取手装置
Document Type and Number:
Japanese Patent JP2983031
Kind Code:
B2
Inventors:
SAYAMA SHIGERU
YOSHIDA HAJIME
YOSHIDA HAJIME
Application Number:
JP7217890A
Publication Date:
November 29, 1999
Filing Date:
March 23, 1990
Export Citation:
Assignee:
NAKA KOGYO KK
International Classes:
E04F19/08; E05B5/02; E05B9/08; (IPC1-7): E05B9/08; E04F19/08; E05B5/02
Domestic Patent References:
| JP60157841U | ||||
| JP230473U | ||||
| JP56135060U |
Attorney, Agent or Firm:
Masao Yamakawa