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Expired
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Barton Berkley Hill
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Individual
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Individual
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Publication of GB190814063ApublicationCriticalpatent/GB190814063A/en
14,063. Hill, B. B. July 2. Bolts.-In order to lubricate a chamber in a spring wbeel through which a bolt passes, the bolt h is made hollow, is closed by a screw 49, and is formed with channels 48.
GB190814063D1908-07-021908-07-02Improvements in Road Vehicle Wheels
ExpiredGB190814063A
(en)