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DIN EN ISO 17507-1
Natural gas - Calculation of methane number of gaseous fuels for internal combustion engines - Part 1: MNc method
DIN EN ISO 17507-2
Natural gas - Calculation of methane number of gaseous fuels for internal combustion engines - Part 2: PKI method
ISO/CD 17507-2
Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 2: PKI method
ISO/CD 17507-1
Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 1: MNc method
ISO/DIS 7899-3
Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method
ISO/CD 9308-2
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method
DIN EN 16976
Ambient air - Determination of the particle number concentration of atmospheric aerosol; German version EN 16976:2024
ISO 7211-2
Textiles - Methods for analysis of woven fabrics construction - Part 2: Determination of number of threads per unit length
ISO 19430
Determination of particle size distribution and number concentration by particle tracking analysis (PTA)
ISO/DIS 9564-5
Financial services - Personal Identification Number (PIN) management and security - Part 5: Methods for the generation, change, and verification of PINs using 16-byte block ciphers
