Supply mains, e.g. rising mains, down-comers, in connection with water tubes

Full Title

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

Child Classifications

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• F22B 37/141
• F22B 37/142
• F22B 37/143
• F22B 37/145
• F22B 37/146
• F22B 37/147
• F22B 37/148