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Expired
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Francis Dickinson
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Individual
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Individual
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Publication of GB190700371ApublicationCriticalpatent/GB190700371A/en
371. Dickinson, r. Jan. 7. Ladders. - The staves A are bored to receive a strengthening - bolt B which passes the sides D into which the staves fit. A nut C, provided with slots, secures the parts together.
GB190700371D1907-01-071907-01-07Improvements in Ladders
ExpiredGB190700371A
(en)