ELECTRICAL FREQUENCY
http://data.posccaesar.org/rdl/RDS401399
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#SinglePropertyDimension>
2001.09.17
u82237
Conventionally, the values of frequency used in the electricity supply systems.
RDS401399
ELECTRICAL FREQUENCY
ELECTRICAL FREQUENCY
Qualified