JJFXXXX-20家用超声波燃气表型式评价大纲TestProgramForPatternEvaluationOfUltrasonicDomesticGasMeters(征求意见稿)_家用超声波燃气表型式评价大纲TestProgramForPatternEvaluationOfUltrasonicDomesticGasMeters(征求意见稿)

可月中华人民共和国国家计量技术规范JJF XXXX-20XX家用超声波燃气表型式评价大纲Test Progr am For Pattern Eval uati onOf Ultrasoni c Domestic Gas Met ers(征求意见稿)20XX-XX-XX发布20XX-XX-XX实施国家质量监督检验检疫总局发布PDF created with pdfFactory trial version www.pdffactory.com