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Expired
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Friedrich Vollmer
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Individual
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Individual
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Publication of GB190607728ApublicationCriticalpatent/GB190607728A/en
7728. Vollmer, F. March 30. No Patent granted (Sealing fee not paid). Girders and beams.-H-beams &c. with corrugated webs have solid strengthening-pieces of the full width of the corrugations adjacent to the flanges.
GB190607728D1906-03-301906-03-30Improvements in or connected with H-beams or Metal Bars.
ExpiredGB190607728A
(en)