Project No.prEN 50XXX
TitleThis standard applies to double-thread helical elements serving together with connecting heads and locking plates as connecting parts for construction of cylindrical heating elements, preferably without metal sheath
Registration number (WIID)47269
ScopeThis standard applies to double-thread helical elements serving together with connecting heads and locking plates as connecting parts for construction of cylindrical heating elements, preferably without metal sheath
StatusIzstrādē
ICS groupNot set