Check valve for manhole,申请号KR20080040535-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Check valve for manhole
摘要
申请公布号	KR100994795(B1)	申请公布日期	2010.11.16
申请号	KR20080040535	申请日期	2008.04.30
申请人		发明人
分类号	E02D29/14;E03F5/04	主分类号	E02D29/14
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Paint composite for coating of the inside of string instrument

Image forming apparatus

Authentication of push-to-talk (PTT) communication terminal devices by Closed User Group (CUG) servers

Slate roof repair panel

Mud displacement apparatus to reduce stand-off effects in a downhole tool

Supporting articles in vehicles

Table coverings

Apparatus and method for transmitting data packets used displaying pictures in a mobile terminal

Semiconductor integrated circuit device for communication

Reflex-type screen assembly

Conveying system

Use of distributed temperature sensors during wellbore treatments

Molds for producing contact lenses

Portable media player with media information database

Neutron measurement method for determining porosity of a formation surrounding a borehole

Auxiliary handle

Apparatus and method for amplifying analog signal and analog preprocessing circuits and image pick-up circuits

Video production

Thin-walled,lightweight cooled turbine blade