200mm sieve for laboratory, 200mm sieve for
Material: stainless steel 304 ( including the frame and screen cloth) 2.Perforated sheets test sieve Mesh aperture size : above 3mm (according to your requirements) Accordance with the ISO3310-2: 1990 R20/3, R20 , R40/3 series standard. Material: stainless steel 304 ( including the frame and screen cloth) 3.
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