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DIN EN ISO 10426-4:2018-03

Проект
Petroleum and natural gas industries - Cements and materials for well cementing - Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure (ISO/DIS 10426-4:2018); English version prEN ISO 10426-4:2018
DIN EN ISO 10426-4:2018-03
Проект