Inventions and HADIR documents from 1957 and 1958
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High estimate
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
Automatically translated by DeepL. The original version is the only legally valid version. To see the original version, switch to the French language.
