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حداقل يك كلمه وحداكثردوكلمه ازموضوع استانداردموردنظرخودرا. واردو دگمه جستجو را كليك نماييد. سند تعالی تدوین استانداردها درشرکت ملی گاز ایران. مشخصات فني اجراوراه اندازي خطوط انتقال گازفشارقوي. ودستورالعمل هاي بهره برداري خطوط لوله انتقال گاز.
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Please do not fill-in this field. 2017 IGS Strategic Plan Now Available. IGS Products Generation Page Updated. IGS Website, Server, FTP, and Mailing List Transitions. IGS Associate Member Open Meeting at AGU 2017. IGS 49th Governing Board Meeting. GGOS Coordinating Board Bi-annual Meeting. IGS Governing Board Annual Business Meeting. European Geosciences Union 2018 General Assembly. Please include the IGS logo.