JPS521452Y2 - - Google Patents

Info

Publication number
JPS521452Y2
JPS521452Y2 JP11512271U JP11512271U JPS521452Y2 JP S521452 Y2 JPS521452 Y2 JP S521452Y2 JP 11512271 U JP11512271 U JP 11512271U JP 11512271 U JP11512271 U JP 11512271U JP S521452 Y2 JPS521452 Y2 JP S521452Y2
Authority
JP
Japan
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
JP11512271U
Other languages
Japanese (ja)
Other versions
JPS4869610U (cs
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 JP11512271U priority Critical patent/JPS521452Y2/ja
Publication of JPS4869610U publication Critical patent/JPS4869610U/ja
Application granted granted Critical
Publication of JPS521452Y2 publication Critical patent/JPS521452Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Safety Valves (AREA)
JP11512271U 1971-12-07 1971-12-07 Expired JPS521452Y2 (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11512271U JPS521452Y2 (cs) 1971-12-07 1971-12-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11512271U JPS521452Y2 (cs) 1971-12-07 1971-12-07

Publications (2)

Publication Number Publication Date
JPS4869610U JPS4869610U (cs) 1973-09-03
JPS521452Y2 true JPS521452Y2 (cs) 1977-01-13

Family

ID=28027301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11512271U Expired JPS521452Y2 (cs) 1971-12-07 1971-12-07

Country Status (1)

Country Link
JP (1) JPS521452Y2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022053283A (ja) * 2020-09-24 2022-04-05 積水化学工業株式会社 更生管用逆止弁装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS536973Y2 (cs) * 1974-02-07 1978-02-22
JPS566556Y2 (cs) * 1978-04-28 1981-02-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022053283A (ja) * 2020-09-24 2022-04-05 積水化学工業株式会社 更生管用逆止弁装置

Also Published As

Publication number Publication date
JPS4869610U (cs) 1973-09-03

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