This is the webpage http://www.tc123-sc4/resolver/urn:iso:std:iso:12345:-6:tech:designOperatingPressureRange
for designOperatingPressureRange (with URN
urn:iso:std:iso:12345:-6:tech:designOperatingPressureRange),
which is generated by the resolver
http://www.tc123-sc4/resolver/
maintained by ISO TC123/SC4.
The webpage says:
| designOperatingPressureRange | design operating pressure range | The range of pressures for which the designer of a class of equipment item
envisaged the use of members, and for which the designer of a class of equipment item
has predicted the performance of members. NOTE The design operating pressure range for a class of equipment item does not specify an allowed operating pressure range for an individual equipment item. |