US729362A
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Process of obtaining impregnated wood.
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US689317A
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Apparatus for impregnating wood.
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GB190019515A
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Improved Process and Preparation for Rendering Wood Fire-proof and Rot-proof.
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US655788A
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Apparatus for impregnating wood.
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GB190005193A
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Improvements in Apparatus for Impregnating Wood.
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CA70429A
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Wood preserving process
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US660756A
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Process of preserving wood.
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US644252A
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Apparatus for impregnating wood.
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GB189919362A
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Improvements in Apparatus for Impregnating Long Pieces of Wood.
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GB189807105A
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Improvements in or relating to Apparatus for Impregnating and Dyeing Wood.
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GB189807104A
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An Improved Apparatus for Drying and Hardening Wood.
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