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Louis Desire Frenot
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Individual
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Publication of GB190403587ApublicationCriticalpatent/GB190403587A/en
3587. Frenot, L. D. Feb. 12. Drawings to Specification. Rail joints.-Washers for locking the nuts on the fishplate bolts are corrugated on their outer faces, and may be recessed into the fishplate and prevented from rotating by stops. The washers may be omitted, the corrugations being formed on the fishplate itself.
GB190403587D1904-02-121904-02-12Improvements in Nut Locks.
ExpiredGB190403587A
(en)