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GB437775A
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Apparatus for manufacturing strips and other articles of rubber or celluloid
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GB377347A
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A new or improved valve for inflating rubber goods
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GB350100A
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An air valve for bladders and other inflatable bodies
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US1878715A
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Air valve for bladders and other inflatable hollow bodies
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US1758625A
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Air valve for inflating hollow bodies
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US1762893A
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Filling tube for inflatable bodies
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GB275298A
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A process for the production of images, figures, and designs on rubber surfaces
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GB224039A
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An improved air valve
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