Title:
点検口取付金具および点検口
Document Type and Number:
Japanese Patent JP6509145
Kind Code:
B2
Inventors:
Arihiro Nagatani
Application Number:
JP2016031888A
Publication Date:
May 08, 2019
Filing Date:
February 23, 2016
Export Citation:
Assignee:
Naka Kogyo Co., Ltd.
International Classes:
E04F19/08
Domestic Patent References:
| JP11093394A | ||||
| JP2000034830A | ||||
| JP49038021U | ||||
| JP54078226U |
Foreign References:
| US4619086 |
Attorney, Agent or Firm:
Masao Yamakawa
Kawaoka Hideo
Kawaoka Hideo