Project No.prEN 50XXX
TitleThis standard applies to open multiple hole tubes serving as heating conductor carrier, which are intended for construction of cylindrical heating elements, preferrably without metal sheath.
Registration number (WIID)49130
ScopeThis standard applies to open multiple hole tubes serving as heating conductor carrier, which are intended for construction of cylindrical heating elements, preferrably without metal sheath.
StatusIzstrādē
ICS groupNot set