Title:
点検口の蓋体
Document Type and Number:
Japanese Patent JP4280103
Kind Code:
B2
Inventors:
Koji Kojima
Application Number:
JP2003116370A
Publication Date:
June 17, 2009
Filing Date:
April 21, 2003
Export Citation:
Assignee:
Aronkasei Co., Ltd.
International Classes:
E03C1/122; F16L55/00
Domestic Patent References:
| JP2002188192A | ||||
| JP57060975U |