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Lot n°222

Inventions and HADIR documents from 1957 and 1958

Low estimate
20 €
High estimate
30 €
Sold for
20 €

1. HADIR, welded tubes, 1958, 2. descriptive memorandum filed in support of an application for an Invention Patent for strip thickness adjustment during rolling, stamped by the HADIR Library, 1957.

#INDUSTRY

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