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Mixed gypsumless portland cement
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Patent number 5,076,851
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Issue date Dec 31, 1991
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Ceskoslovenska akademie ved
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Frantisek Skovara
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Synthetic polymeric drugs
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Patent number 5,037,883
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Issue date Aug 6, 1991
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Ceskoslovenska akademie ved
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Jindrich Kopecek
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Soft intracameral lens
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Patent number 4,994,083
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Issue date Feb 19, 1991
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Ceskoslovenska akademie ved
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Jiri Sulc
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Method of molding an intraocular lens
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Patent number 4,971,732
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Issue date Nov 20, 1990
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Ceskoslovenska Academie Ved
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Otto Wichterle
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Intraocular optical system
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Patent number 4,963,148
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Issue date Oct 16, 1990
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Ceskoslvnska akademie ved
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Jiri Sulc
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Soft intracameral lens
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Patent number 4,955,903
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Issue date Sep 11, 1990
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Ceskoslovenska Akademie Ved
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Jiri Sulc
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE