JPH0159534B2 - - Google Patents

Info

Publication number
JPH0159534B2
JPH0159534B2 JP11231183A JP11231183A JPH0159534B2 JP H0159534 B2 JPH0159534 B2 JP H0159534B2 JP 11231183 A JP11231183 A JP 11231183A JP 11231183 A JP11231183 A JP 11231183A JP H0159534 B2 JPH0159534 B2 JP H0159534B2
Authority
JP
Japan
Prior art keywords
adapter
radio waves
receiver
waves
piping
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
JP11231183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS604840A (ja
Inventor
Tomoteru Kawakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 by Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP11231183A priority Critical patent/JPS604840A/ja
Publication of JPS604840A publication Critical patent/JPS604840A/ja
Publication of JPH0159534B2 publication Critical patent/JPH0159534B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
JP11231183A 1983-06-22 1983-06-22 流体検出装置 Granted JPS604840A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11231183A JPS604840A (ja) 1983-06-22 1983-06-22 流体検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11231183A JPS604840A (ja) 1983-06-22 1983-06-22 流体検出装置

Publications (2)

Publication Number Publication Date
JPS604840A JPS604840A (ja) 1985-01-11
JPH0159534B2 true JPH0159534B2 (es) 1989-12-18

Family

ID=14583497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11231183A Granted JPS604840A (ja) 1983-06-22 1983-06-22 流体検出装置

Country Status (1)

Country Link
JP (1) JPS604840A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5679844A (en) * 1994-07-01 1997-10-21 Showa Denko K.K. Manufacturing method for phosphonic acid derivatives
EP0846136B1 (fr) * 1995-08-21 2001-01-24 Martin Ernst Stielau Procede de fabrication de polymeres a base d'huile de coquille de noix de cajou

Also Published As

Publication number Publication date
JPS604840A (ja) 1985-01-11

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