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Application filed by P Nogier, L Nogier, M NogierfiledCriticalP Nogier
Publication of NO121759BpublicationCriticalpatent/NO121759B/no
Прибор дл определени пьезометрического давлени в буровых и т.п. скважинах, например, дл целей изучени водоносности минерализованных и газосодержащих вод