| http://www.w3.org/ns/prov#value | - ks: USPTO, USPTO Assignment, EspacenetParticle analyzing apparatus including a system for visually displaying a particle size distribution curve on a 100 percent scale irrespective of the quantity of particles sampled by the apparatusUS 3873918 AAbstract The system includes a gain control apparatus for automatically adjusting the amplitude of a plurality of signal levels by adjusting the maximum a
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