JPS6421900U - - Google Patents

Info

Publication number
JPS6421900U
JPS6421900U JP11720987U JP11720987U JPS6421900U JP S6421900 U JPS6421900 U JP S6421900U JP 11720987 U JP11720987 U JP 11720987U JP 11720987 U JP11720987 U JP 11720987U JP S6421900 U JPS6421900 U JP S6421900U
Authority
JP
Japan
Prior art keywords
service
opening
ball
valve
communication hole
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.)
Pending
Application number
JP11720987U
Other languages
English (en)
Japanese (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 JP11720987U priority Critical patent/JPS6421900U/ja
Publication of JPS6421900U publication Critical patent/JPS6421900U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Taps Or Cocks (AREA)
  • Lift Valve (AREA)
JP11720987U 1987-07-30 1987-07-30 Pending JPS6421900U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11720987U JPS6421900U (en]) 1987-07-30 1987-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11720987U JPS6421900U (en]) 1987-07-30 1987-07-30

Publications (1)

Publication Number Publication Date
JPS6421900U true JPS6421900U (en]) 1989-02-03

Family

ID=31360456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11720987U Pending JPS6421900U (en]) 1987-07-30 1987-07-30

Country Status (1)

Country Link
JP (1) JPS6421900U (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824599B2 (ja) * 1976-01-29 1983-05-21 三菱重工業株式会社 泥水加圧式シ−ルド掘削装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824599B2 (ja) * 1976-01-29 1983-05-21 三菱重工業株式会社 泥水加圧式シ−ルド掘削装置

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