155653 ⎘
Component parts or details of steam boilers applicable to more than one kind or type of steam boiler; Water tubes; Accessories therefor; Supply mains, e.g. rising mains, down-comers, in connection with water tubes involving vertically-disposed water tubes, e.g. walls built-up from vertical tubes
Boiler construction having a boiler pressure body support system
#2Cooking appliance
#3Suspended combustion type power steam generator
#4Boiler Water Cycle of a Fluidized Bed Reactor and a Fluidized Bed Reactor