JPS4955398A - - Google Patents

Info

Publication number
JPS4955398A
JPS4955398A JP9679772A JP9679772A JPS4955398A JP S4955398 A JPS4955398 A JP S4955398A JP 9679772 A JP9679772 A JP 9679772A JP 9679772 A JP9679772 A JP 9679772A JP S4955398 A JPS4955398 A JP S4955398A
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.)
Granted
Application number
JP9679772A
Other languages
Japanese (ja)
Other versions
JPS5247706B2 (xx
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 JP9679772A priority Critical patent/JPS5247706B2/ja
Publication of JPS4955398A publication Critical patent/JPS4955398A/ja
Publication of JPS5247706B2 publication Critical patent/JPS5247706B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
JP9679772A 1972-09-27 1972-09-27 Expired JPS5247706B2 (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9679772A JPS5247706B2 (xx) 1972-09-27 1972-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9679772A JPS5247706B2 (xx) 1972-09-27 1972-09-27

Publications (2)

Publication Number Publication Date
JPS4955398A true JPS4955398A (xx) 1974-05-29
JPS5247706B2 JPS5247706B2 (xx) 1977-12-05

Family

ID=14174603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9679772A Expired JPS5247706B2 (xx) 1972-09-27 1972-09-27

Country Status (1)

Country Link
JP (1) JPS5247706B2 (xx)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330027A (en) * 1976-08-30 1978-03-20 Ledeen Flow Control Systems Means for detecting destruction of pipelines
JPS5351521A (en) * 1976-10-21 1978-05-11 Japan Steel Works Ltd:The Line-brake detector
JPS5356714A (en) * 1976-11-04 1978-05-23 Japan Steel Works Ltd:The Line break detector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330027A (en) * 1976-08-30 1978-03-20 Ledeen Flow Control Systems Means for detecting destruction of pipelines
JPS567115B2 (xx) * 1976-08-30 1981-02-16
JPS5351521A (en) * 1976-10-21 1978-05-11 Japan Steel Works Ltd:The Line-brake detector
JPS567118B2 (xx) * 1976-10-21 1981-02-16
JPS5356714A (en) * 1976-11-04 1978-05-23 Japan Steel Works Ltd:The Line break detector
JPS567119B2 (xx) * 1976-11-04 1981-02-16

Also Published As

Publication number Publication date
JPS5247706B2 (xx) 1977-12-05

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