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Rotary vibrator with adjustable weight meansdoi:US3572641 AMatson Carl GPeterson Edwin FUS3572641 * Feb 3, 1969 Mar 30, 1971 Peterson Edwin F Rotary

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An apparatus for electromagnetically and rotationally vibrating a rotary body that is supported by bearings. The apparatus comprises a ring-shaped magnet

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US2876765 * Jul 19, 1955 Mar 10, 1959 Day John W Wall mounted rotary vibrator

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US3202402 * Apr 18, 1963 Aug 24, 1965 Vibro Verken Ab Rotary vibratorUS3202402 * 1963418 1965824 Aktiebolaget Vibro-Verken Rotary

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Rotary vibrator deviceWilliam L RedishCA704568A * Mar 2, 1965 William L Redish Rotary vibrator device

Rotationsvibrator Rotary vibratorHeinrich Haake

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