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Patents for W. Guttet
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
CA-11,789Sep. 20, 1880H.G. AshtonPerfectionnements aux Soupapes de Sûreté steam safety valves
CA-13,719Nov. 19, 1881H.G. AshtonPerfectionnements aux Soupapes de Sûretésteam safety valves
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