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Expired
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Adolf Drost
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Individual
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Individual
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Publication of GB190221268ApublicationCriticalpatent/GB190221268A/en
21,268. Drost, A. Sept. 30. Weldless oval-link chains. - The ends of the blank are flattened and then bent inwards and sideways to form hooks a, b, which are interlocked ; the joint is then compressed.
GB190221268D1902-09-301902-09-30Improvements in or connected with Weldless Chainlinks.
ExpiredGB190221268A
(en)