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                     ISO 10816-7 2009 Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts — Part 7  Rotodynamic pumps for industrial applications, including measurements on rotating shafts.pdf
ISO 10816-7 2009 Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts — Part 7  Rotodynamic pumps for industrial applications, including measurements on rotating shafts.pdf ISO IEC 27033-4 2014 Information technology — Security techniques — Network security — Part 4  Securing communications between networks using security gateways.pdf
ISO IEC 27033-4 2014 Information technology — Security techniques — Network security — Part 4  Securing communications between networks using security gateways.pdf ISO 17905 2015 Ships and marine technology — Installation, inspection and maintenance of container securing devices for ships.pdf
ISO 17905 2015 Ships and marine technology — Installation, inspection and maintenance of container securing devices for ships.pdf ISO 9974-1 1996 Connections for general use and fluid power — Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing — Part 1  Threaded ports.pdf
ISO 9974-1 1996 Connections for general use and fluid power — Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing — Part 1  Threaded ports.pdf ISO 4264 2018 Petroleum products  Calculation of cetane index of middle-distillate fuels by the four variable equation.pdf
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ISO 20765-5 2022 Natural gas — Calculation of thermodynamic  properties — Part 5 Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent.pdf ISO IEC TR 29181-1 2012 Information technology — Future Network — Problem statement and requirements — Part 1  Overall aspects.pdf
ISO IEC TR 29181-1 2012 Information technology — Future Network — Problem statement and requirements — Part 1  Overall aspects.pdf ISO TR 21891 2017 Aerospace electrical requirements — Sleeves and moulded shapes — Specifications for aircraft use.pdf
ISO TR 21891 2017 Aerospace electrical requirements — Sleeves and moulded shapes — Specifications for aircraft use.pdf ISO 6624-2 2016 Internal combustion engines — Piston rings — Part 2  Half keystone rings made of cast iron.pdf
ISO 6624-2 2016 Internal combustion engines — Piston rings — Part 2  Half keystone rings made of cast iron.pdf GB-T 2987-1996 电子管参数符号.pdf
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GB-T 13829.3-2004 槽销  中部槽长为1-3全长.pdf GB 4706.62-2008 家用和类似用途电器的安全  商用电水浴保温器的特殊要求.pdf
GB 4706.62-2008 家用和类似用途电器的安全  商用电水浴保温器的特殊要求.pdf