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  DM2/330 Differential and equal pressure method gas permeability tester
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  OR2/410 Organic Gas Transmission Rate Test System
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  BTY-B1P Gas Permeability Tester
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  VAC-V1 Gas Permeability Tester
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  DM2/330 Differential and equal pressure method gas permeability tester
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  VAC-V2 Gas Permeability Tester
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  VAC-V3 Gas Permeability Tester
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  VAC-VBS Gas Permeability Tester