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The Ro-Tap Testing Sieve Shaker was the first
mechanical sieve shaker introduced to accurately
reproduce the circular and tapping motion given testing
sieves in hand-sieving. Uniform, mechanical action
assuring dependable, comparable tests. The Ro-Tap has
become the unquestioned standard of comparison in all
laboratories the world over.
(Relation standard KS F 2502)
* Standard Sieve is side order
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