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Patterson has obtained a multi-national patent license for frequency resonance exploration technology in China, the United States and Japan

作者:admin 浏览:958 发表时间:2023-05-26


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Passive source seismic frequency resonance exploration method Chinese invention patent certificate


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Passive Source Seismic Frequency Resonant Exploration Method U.S. Patent Certificate of Invention

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Passive source seismic frequency resonance exploration method Japanese invention patent acceptance

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