| http://www.w3.org/ns/prov#value | - Ltd.Polyethylene sheets and filmsUS420036011 Mar 197729 Apr 1980Mutzhas Maximilian FFilter for protection against radiation, especially with regard to direct pigmentation by solar radiationUS44988828 Mar 198312 Feb 1985Stearns Manufacturing CompanyHybrid personal flotation deviceUS454649330 Sep 198215 Oct 1985Bortnick Kenneth ATan-through wearing apparel and process for making the sameUS479990826
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