Cardboard quantitative sampler paper sampler round paper strength compressor sampling knife
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Beating degree tester tapping degree meter pulp beating degree meter paper detection instrument pulp beating degree experiment
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14,533,640 so'm
Fabric digital permeability tester air permeability tester filter cloth non-woven fabric air permeability measurement air permeability material
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Mask Breathing Resistance Tester automatic air flow resistance breathing valve air tightness resistance detection tester
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