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All Patents of Type: boiler repair tools
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
383,111May 22, 1888J. DuffyTube Expanderboiler repair tools
2,112,896Apr. 05, 1938R.M. HusbandApparatus for Cleaning Heat Exchangers and the Likeboiler repair tools
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