RS ARS 1698: 2021 DISINFECTANTS/SANITIZERS ? SPECIFICATION
22,500.00
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WORKS — FRAMEWORK FOR METHODS OF ASSESSMENT
OF THE ENVIRONMENTAL, SOCIAL AND ECONOMIC
PERFORMANCE OF CONSTRUCTION WORKS AS A BASIS FOR
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PART 2: CIVIL ENGINEERING WORKS
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RS ISO 4224: 2000 AMBIENT AIR — DETERMINATION OF CARBON MONOXIDE — NON-DISPERSIVE INFRARED
SPECTROMETRIC METHOD
