IC 011. US 013 021 023 031 034. G & S: Filtration units for the filtration of liquid media for use in crossflow filtration, and filter cassettes for use in the filtration of liquid media, and holders and clamping devices for filter cassettes, sold as a unit with the filter cassettes; all for use in the biotechnological, pharmaceutical, chemical, and electronic industries and for fluid filtration for food and beverage processing. FIRST USE: 20081215. FIRST USE IN COMMERCE: 20081215
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