Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F22B9/00—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body
F22B9/18—Component parts thereof; Accessories therefor, e.g. stay-bolt connections
Druckfeste heizstabdurchfuehrung fuer ein fluessiges, verdampfbares medium enthaltende druckbehaelter, vorzugsweise fuer druckhalter von kernreaktoranlagen