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Matches 601 - 650 out of 667

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1,189,248. Corrugation of pliable material. FLANDERS FILTERS, Inc. 1 Oct., 1968 [30 Jan., 1968], No. 46539/68. Heading D1S. A sheet of pliable material e.g. in the form of a continuous strip is corrugated by feeding it onto a support for...  
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Matches 601 - 650 out of 667