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Expired
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Herbert Wilfred Perry
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Individual
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Individual
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Publication of GB190004859ApublicationCriticalpatent/GB190004859A/en
4859. Perry, H. W. March 14. Rails; rail joints.-The heads of rails are made with renewable wearing-caps of various sections, such as shown. They may be of harder material than the body, are slid into place, and can be placed to break joint with the lower parts.
GB190004859D1900-03-141900-03-14Improvements in the Form and Renewability of Metal Rails for Carrying Wheeled Vehicles or other Moving Loads.
ExpiredGB190004859A
(en)