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GÖKTÜRK GROUP ÇELİK YAPI İNŞAAT LİMİTED ŞİRKETİ

PGC-2026042901

ISO 9001 KYS

prensip global certification

29 Nisan 2026

29 Nisan 2027

VALID

“This page has been created solely for the purpose of verifying the declaration related to the relevant document.
ULAK PATENT (
ULAK Intellectual Property & Advanced Technologies) is not a product certification body or an approval authority.”

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