Description
(INDUSTRY) 1. HADIR, welded tubes, 1958, 2. descriptive memorandum filed in support of an Invention Patent application for strip thickness adjustment during rolling, HADIR Library stamp, 1957
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(INDUSTRY) 1. HADIR, welded tubes, 1958, 2. descriptive memorandum filed in support of an Invention Patent application for strip thickness adjustment during rolling, HADIR Library stamp, 1957