invest.gazprom.ruinvest.gazprom.ru/d/textpage/14/20/sertifikat-na-sootvetstvie-iso... · control of...
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invest.gazprom.ruinvest.gazprom.ru/d/textpage/14/20/sertifikat-na-sootvetstvie-iso... · control of design, construction and commissioning ... AENOR Spain AFNOR Certification France