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these little stones even have a name — gastroliths — and their use as digestive tools have a long, illustrious evolutionary history. gastroliths — the word literally means "stomach stones" — are most often used by birds and reptiles, but they can also be found in earthworms, some fish, amphibians, seals...
series of metal filters and sieve equipment products. wedge wire lateral distributor view more slotted wedge wire basket view more wire cloth filter disc view more rotating wedge wire cylinder view more perforated filter basket strainer view more main products view more + header laterals view more +...