F22B 31/02

Installation of water-tube boilers in chimneys

Official title: Installation of water-tube boilers in chimneys, e.g. in converter chimneys

F22B31/02 (Installation of water-tube boilers in chimneys) appears on 2 US grants and 3 published applications in this corpus.

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2
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3
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4
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6
Latest grant
8 Feb 2011