JPS61169189U - - Google Patents

Info

Publication number
JPS61169189U
JPS61169189U JP4990685U JP4990685U JPS61169189U JP S61169189 U JPS61169189 U JP S61169189U JP 4990685 U JP4990685 U JP 4990685U JP 4990685 U JP4990685 U JP 4990685U JP S61169189 U JPS61169189 U JP S61169189U
Authority
JP
Japan
Prior art keywords
pressure reducing
shaft
reducing bushing
outer cylinder
inner cylinder
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.)
Granted
Application number
JP4990685U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0342156Y2 (US20030204162A1-20031030-M00001.png
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 JP4990685U priority Critical patent/JPH0342156Y2/ja
Publication of JPS61169189U publication Critical patent/JPS61169189U/ja
Application granted granted Critical
Publication of JPH0342156Y2 publication Critical patent/JPH0342156Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP4990685U 1985-04-05 1985-04-05 Expired JPH0342156Y2 (US20030204162A1-20031030-M00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4990685U JPH0342156Y2 (US20030204162A1-20031030-M00001.png) 1985-04-05 1985-04-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4990685U JPH0342156Y2 (US20030204162A1-20031030-M00001.png) 1985-04-05 1985-04-05

Publications (2)

Publication Number Publication Date
JPS61169189U true JPS61169189U (US20030204162A1-20031030-M00001.png) 1986-10-20
JPH0342156Y2 JPH0342156Y2 (US20030204162A1-20031030-M00001.png) 1991-09-04

Family

ID=30567525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4990685U Expired JPH0342156Y2 (US20030204162A1-20031030-M00001.png) 1985-04-05 1985-04-05

Country Status (1)

Country Link
JP (1) JPH0342156Y2 (US20030204162A1-20031030-M00001.png)

Also Published As

Publication number Publication date
JPH0342156Y2 (US20030204162A1-20031030-M00001.png) 1991-09-04

Similar Documents

Publication Publication Date Title
JPS61169189U (US20030204162A1-20031030-M00001.png)
JPS6271430U (US20030204162A1-20031030-M00001.png)
JPS62202538U (US20030204162A1-20031030-M00001.png)
JPS63200599U (US20030204162A1-20031030-M00001.png)
JPH0191115U (US20030204162A1-20031030-M00001.png)
JPH0338433U (US20030204162A1-20031030-M00001.png)
JPS6170625U (US20030204162A1-20031030-M00001.png)
JPS6170621U (US20030204162A1-20031030-M00001.png)
JPH0290341U (US20030204162A1-20031030-M00001.png)
JPS62104004U (US20030204162A1-20031030-M00001.png)
JPH0198332U (US20030204162A1-20031030-M00001.png)
JPS61145359U (US20030204162A1-20031030-M00001.png)
JPS63146244U (US20030204162A1-20031030-M00001.png)
JPH0163816U (US20030204162A1-20031030-M00001.png)
JPS6230032U (US20030204162A1-20031030-M00001.png)
JPS62194919U (US20030204162A1-20031030-M00001.png)
JPH0219890U (US20030204162A1-20031030-M00001.png)
JPS62179464U (US20030204162A1-20031030-M00001.png)
JPH01157290U (US20030204162A1-20031030-M00001.png)
JPS61162652U (US20030204162A1-20031030-M00001.png)
JPS6152724U (US20030204162A1-20031030-M00001.png)
JPS62141922U (US20030204162A1-20031030-M00001.png)
JPH0349437U (US20030204162A1-20031030-M00001.png)
JPS6191098U (US20030204162A1-20031030-M00001.png)
JPS622836U (US20030204162A1-20031030-M00001.png)