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US2490382A
|
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Melting furnace
|
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US2276101A
|
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Art of treating and coating metals
|
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US1936487A
|
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Art of continuous galvanizing
|
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US1987642A
|
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Furnace draft indicator
|
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US1841216A
|
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Apparatus for wiping molten metallic coatings
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US1816617A
|
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Method of galvanizing
|
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US1628281A
|
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Process of making basic open-hearth steel
|
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US1475365A
|
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Apparatus for measuring high temperatures
|
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CA330316A
|
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Molten metallic coating wiping apparatus
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CA319023A
|
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Method for wiping molten metallic coatings
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CA347648A
|
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Continuous galvanization
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