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1. WO2017193492 - DOWNHOLE PLUGGING DEVICE FOR OIL WELL, AND WELL MAINTENANCE TECHNIQUE FOR SUCKER ROD AND OIL PIPE UNDER PRESSURE

Available information on National Phase entries(more information)
OfficeEntry DateNational NumberNational Status
Kazakhstan 24.11.20172017/1088.1
Kazakhstan33559Published: 05.04.2019