JPS6219697Y2 - - Google Patents

Info

Publication number
JPS6219697Y2
JPS6219697Y2 JP1981094307U JP9430781U JPS6219697Y2 JP S6219697 Y2 JPS6219697 Y2 JP S6219697Y2 JP 1981094307 U JP1981094307 U JP 1981094307U JP 9430781 U JP9430781 U JP 9430781U JP S6219697 Y2 JPS6219697 Y2 JP S6219697Y2
Authority
JP
Japan
Prior art keywords
case
sand
lid
wire
exhaust port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1981094307U
Other languages
English (en)
Japanese (ja)
Other versions
JPS581637U (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9430781U priority Critical patent/JPS581637U/ja
Publication of JPS581637U publication Critical patent/JPS581637U/ja
Application granted granted Critical
Publication of JPS6219697Y2 publication Critical patent/JPS6219697Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
JP9430781U 1981-06-22 1981-06-22 防音型砂付着防止装置 Granted JPS581637U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9430781U JPS581637U (ja) 1981-06-22 1981-06-22 防音型砂付着防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9430781U JPS581637U (ja) 1981-06-22 1981-06-22 防音型砂付着防止装置

Publications (2)

Publication Number Publication Date
JPS581637U JPS581637U (ja) 1983-01-07
JPS6219697Y2 true JPS6219697Y2 (en, 2012) 1987-05-20

Family

ID=29889239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9430781U Granted JPS581637U (ja) 1981-06-22 1981-06-22 防音型砂付着防止装置

Country Status (1)

Country Link
JP (1) JPS581637U (en, 2012)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023755Y2 (ja) * 1976-08-11 1985-07-15 株式会社日立製作所 電子時計誤動作防止回路

Also Published As

Publication number Publication date
JPS581637U (ja) 1983-01-07

Similar Documents

Publication Publication Date Title
US4787772A (en) Device for detecting leaks in underground fluid tanks
US4335740A (en) Wellhead bunker
CN106930328A (zh) 一种自动排气下水道井盖
US3939863A (en) Basement sump construction
JPS6219697Y2 (en, 2012)
US4770028A (en) Hydrocarbon tank leak detection system
JPH0231332B2 (en, 2012)
CA2363763C (en) Drain gasket
JPH10504901A (ja) パイプライン、特に下水パイプラインシステムのシール性を監視する方法並びにこの方法を実施する装置
CN218480079U (zh) 全封闭式联轴器罩壳
CN111058791B (zh) 一种油井井口防喷装置与系统
JPS6080619A (ja) 杭打作業における打杭の支持力測定方法及びその装置
CN214033784U (zh) 一种用于综合管廊内污水检查井结构
US10947713B2 (en) Toilet flange
CN214616395U (zh) 一种井下探放水的快速套管装置
CN217133137U (zh) 一种自清洁水质传感器安装防护外罩
JPH05147447A (ja) 油面高さ検出装置の取付け組立体
JP2516648Y2 (ja) マンホール蓋
CN219508670U (zh) 一种逆作法钢管凝土柱外置声测管结构
KR100542649B1 (ko) 누유 검지관
JPH0447643Y2 (en, 2012)
CN211626834U (zh) 一种水利工程混凝土护坡防渗水性检测装置
SU1382987A1 (ru) Устройство дл осмотра и ремонта рабочего колеса вертикальной гидромашины
KR820001599Y1 (ko) 자전거 프레임을 이용한 공기 압축펌프
CN119411634A (zh) 一种窨井盖装置及检测方法