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Molten metal pin sampler
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Patent number 4,565,101
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Issue date Jan 21, 1986
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Midwest Instrument Co., Inc.
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Joseph J. Boron
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G01 - MEASURING TESTING
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Sliding sleeve sampler
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Patent number 4,206,651
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Issue date Jun 10, 1980
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Rossborough Manufacturing Co.
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Joseph J. Boron
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G01 - MEASURING TESTING
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Sampling apparatus
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Patent number 4,007,640
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Issue date Feb 15, 1977
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Aikoh Co., Ltd.
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Joseph J. Boron
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G01 - MEASURING TESTING