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Expired
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John Mckay
Arthur Hardy
Andrew Young
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Individual
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Individual
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Publication of GB189409812ApublicationCriticalpatent/GB189409812A/en
GB189409812D1894-05-191894-05-19Improvements in Tools for Expanding Boiler and other Tubes, and for Effecting analogous Operations.
ExpiredGB189409812A
(en)
Improvements in Apparatus for Expanding, Beading, and Cutting Tubes, and for Drilling and Broaching Holes in Tube-plates and the like, and for Performing similar Operations.