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Method for sampling a workpiece
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Patent number 4,856,233
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Issue date Aug 15, 1989
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Failure Analysis Associates, Inc.
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David W. Mercaldi
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B28 - WORKING CEMENT, CLAY, OR STONE
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Surface sampling device
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Patent number 4,845,896
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Issue date Jul 11, 1989
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Failure Analysis Associates
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David W. Mercaldi
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B28 - WORKING CEMENT, CLAY, OR STONE