DF: the set of operations which establishes, under specified conditions, the relationship between the values of pressure indicated by a pressure balance and the corresponding values of pressure realized by a reference standard
DF: the set of operations which establishes, under specified conditions, the relationship between the values of pressure indicated by a pressure balance and the corresponding values of pressure realized by a reference standard
DF: the set of operations which establishes, under specified conditions, the relationship between the values of pressure indicated by a pressure balance and the corresponding values of pressure realized by a reference standard