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Information × Registration Number 0206U004092, 0105U006286 , R & D reports Title Finishing working of low frequency ultrasonic testing means for long constructions (pipelines) without their opening out popup.stage_title Head Troitskij Vladimir Alexandrovich, Доктор технічних наук Registration Date 12-04-2006 Organization The E.O.Paton Electric Welding Institute popup.description2 Researches of processes of excitation and reception of low-frequency ultrasonic fluctuations have been carried out and completion of a way of detection defects of longitudinal objects without their disclosing (the pipeline of 48 m length, diameter 114 mm) with the use of various ultrasonic waves Product Description popup.authors popup.nrat_date 2020-04-02 Close