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US3287140A
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Self-heating frozen food package
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GB984729A
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Heating apparatus for frozen foods
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Heating oven for foods
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Multiple needle sewing machine
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Adjustable precision tap
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Shank button holder
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Device for holding shank buttons
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Control mechanism for sewing machines
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Lubricating means for sewing machines
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Button holder
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Thread guiding device
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Construction of button sewing machines
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Button sewing machine
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Knife structure for trimming mechanism
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