and characterised by material, e.g. use of special steel alloy

Full Title

Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > and characterised by material, e.g. use of special steel alloy

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

STEAM GENERATION

Subclass:

METHODS OF STEAM GENERATION; STEAM BOILERS