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Meta-surface water load
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Patent number 11,646,478
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Issue date May 9, 2023
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Sichuan University
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Huacheng Zhu
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H01 - BASIC ELECTRIC ELEMENTS
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3906402
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Patent number 3,906,402
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Issue date Sep 16, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3796973
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Patent number 3,796,973
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Issue date Mar 12, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3783414
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Patent number 3,783,414
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Issue date Jan 1, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3742188
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Patent number 3,742,188
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Issue date Jun 26, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3660784
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Patent number 3,660,784
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Issue date May 2, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3634784
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Patent number 3,634,784
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Issue date Jan 11, 1972
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3633131
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Patent number 3,633,131
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Issue date Jan 4, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3597708
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Patent number 3,597,708
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Issue date Aug 3, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3544923
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Patent number 3,544,923
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Issue date Dec 1, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3538461
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Patent number 3,538,461
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Issue date Nov 3, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3506935
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Patent number 3,506,935
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Issue date Apr 14, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3474360
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Patent number 3,474,360
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Issue date Oct 21, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3445789
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Patent number 3,445,789
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Issue date May 20, 1969
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H01 - BASIC ELECTRIC ELEMENTS