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Rock crusher table liner
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Patent number D254851
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Issue date Apr 29, 1980
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Canica Crushers, Ltd.
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Stephen B. Ackers
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D15 - Machines not elsewhere specified
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Seal for centrifugal impack rock crusher
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Patent number 4,196,908
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Issue date Apr 8, 1980
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Canica Crushers, Ltd.
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Neil M. Rose
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rock crusher table liner
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Patent number D254256
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Issue date Feb 19, 1980
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Canica Crushers, Ltd.
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Stephen B. Ackers
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D15 - Machines not elsewhere specified
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Rock crusher table liner
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Patent number D254257
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Issue date Feb 19, 1980
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Canica Crushers, Ltd.
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Stephen B. Ackers
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D15 - Machines not elsewhere specified
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Lifter for rock crusher lid
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Patent number 4,167,251
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Issue date Sep 11, 1979
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Canica Crushers, Ltd.
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William F. Burr
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Centrifugal impact rock crushers
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Patent number 4,090,673
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Issue date May 23, 1978
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Canica Crushers Ltd.
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Stephen B. Ackers
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...