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Application filed by Andrzej GólczfiledCriticalAndrzej Gólcz
Priority to PL382145ApriorityCriticalpatent/PL382145A1/en
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PL382145A2007-04-052007-04-05The manner and device for mechanic removal of floatation scum from the surface of liquid and opening of this scum
PL382145A1
(en)