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positive presure leakage detection helium mass spectrum mass detection helium loading computational software system standard formulation palladium carbon catalysts board part drawings
QJ 3089-1999 in English

QJ 3089-1999 in English

VALID

Method for Positive Presure Leakage Detection of Helium Mass Spectrum

  • Issued on:1999-02-14
  • Implemented on:1999-07-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $160.00
$156.00
Standard No: QJ 3089-1999
Document status: VALID
Title in English: Method for Positive Presure Leakage Detection of Helium Mass Spectrum
Title in Chinese: 氦质谱正压检漏方法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1999-02-14
Implemented on: 1999-07-01
Chinese Classification: J74-Pressure vessel
Professional Classification: QJ-Aerospace
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