Title:
三点支持式の溝蓋
Document Type and Number:
Japanese Patent JP4019348
Kind Code:
B2
Inventors:
Tohru Susaki
Application Number:
JP2001365340A
Publication Date:
December 12, 2007
Filing Date:
October 26, 2001
Export Citation:
Assignee:
Fujicast Co., Ltd.
International Classes:
E03F5/04
Domestic Patent References:
| JP8134997A | ||||
| JP9328807A | ||||
| JP11336173A |