Niels Christensen

Niels Anton Christensen (16 August 18655 October 1952) was a Danish-American inventor whose principal invention was the O-ring, the ubiquitous hydraulic seal. Provided by Wikipedia
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Die Waffen-SS : : a Neue Forschungen /
Participants: Schulte, Jan Erik, [ TeilnehmendeR ]; Wegner, Bernd, [ TeilnehmendeR ]; Lieb, Peter, [ TeilnehmendeR ]
Published: 2014.
Superior document: Krieg in der Geschichte ; 74
“...Claus Bundgård Christensen , Niels Bo Poulsen and Peter Scharff Smith -- Motive rumäniendeutscher...”
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