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DIN SPEC 19755
Activities relating to drinking water and wastewater services - Guidelines for the assessment and for the improvement of the service to users
Edition
2012-03
DIN SPEC 19757
Activities relating to drinking water and wastewater services - Guidelines for the management of drinking water utilities and for the assessment of drinking water services
Edition
2012-03
DIN CEN ISO/TS 3250
Petroleum, petrochemical and natural gas industries - Calculation and reporting production efficiency in the operating phase (ISO/TS 3250:2021); English version CEN ISO/TS 3250:2022
Edition
2023-06
DIN SPEC 91434
Agri-photovoltaic systems - Requirements for primary agricultural use
Edition
2021-05
DIN-Fachbericht CEN/TR 15735
Postal services - Quality of service - Distance to access point; English version prCEN/TR 15735:2007
Edition
2009-02
VDI 4506 Blatt 2
Strategic sales - Planning products and innovations with the business coach
Edition
2012-03
VDI 2808 Blatt 2
Evaluation in value analysis - Examples
Edition
2020-08
VDI 3780
Technology assessment - Concepts and foundations
Edition
2000-09
VDI 4662
Generation, implementation and application of energy characteristics
Edition
2015-02
VDI 4433
Investment budgeting and investment studies
Edition
2011-07