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Examination grading machine
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Punch card device having a fine grain cellulose sponge backing member
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Process for incorporating resins into paper
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Sponge type wringer mop
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Stereotype dry mat
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Stereotype mat
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Stereotype mat
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Stereotype mat
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Stereotype mat
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Artificial chamois skin and method of making the same
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Stereotype mat
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Thermoplastic lignocellulosic product and method of making the same
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Thermoplastic lignocellulosic product and method of making the same
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Molded lignocellulosic material and method of making same
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Method of preparing lignin and product thereof
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Method of making moldable lignocellulosic material and product thereof
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Stereotype mat
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|
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Moldable lignocellulosic material and method for making the same
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US2247207A
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Method for treating lignocellulosic material and product thereof
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Method for making moldable lignocellulosic material and product thereof
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