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Production of flat glass
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Patent number 4,116,660
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Issue date Sep 26, 1978
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Saint-Gobain Industries
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Michel Zortea
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C03 - GLASS MINERAL OR SLAG WOOL
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3899314
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Patent number 3,899,314
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Issue date Aug 12, 1975
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C03 - GLASS MINERAL OR SLAG WOOL
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3881905
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Patent number 3,881,905
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Issue date May 6, 1975
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C03 - GLASS MINERAL OR SLAG WOOL
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3847585
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Patent number 3,847,585
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Issue date Nov 12, 1974
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G02 - OPTICS
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3770406
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Patent number 3,770,406
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Issue date Nov 6, 1973
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C03 - GLASS MINERAL OR SLAG WOOL
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3721543
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Patent number 3,721,543
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Issue date Mar 20, 1973
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C03 - GLASS MINERAL OR SLAG WOOL
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3652246
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Patent number 3,652,246
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Issue date Mar 28, 1972
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C03 - GLASS MINERAL OR SLAG WOOL
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3582302
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Patent number 3,582,302
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Issue date Jun 1, 1971
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C03 - GLASS MINERAL OR SLAG WOOL