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Siegmund Spiegel was born to Jacob and Sara Spiegel, who were German Jews, in Gera, Germany, on November 13, 1919. [1] [2] He was one of three children – all of whom escaped Nazi Germany and the Holocaust. When he was 14, he was expelled from school for being Jewish [3] – and soon thereafter, his parents lost their business and jobs. [3]
Radio-frequency welding, also known as dielectric welding and high-frequency welding, is a plastic welding process that utilizes high-frequency electric fields to induce heating and melting of thermoplastic base materials. [1] The electric field is applied by a pair of electrodes after the parts being joined are clamped together.
Welding - Studs and ceramic ferrules for arc stud welding: ISO 13919-1: Welding - Electron and laser-beam welded joints - Guidance on quality level for imperfections - Part 1: Steel ISO 13919-2: Welding - Electron and laser-beam welded joints - Guidance on quality level for imperfections - Part 2: Aluminium and its weldable alloys ISO 13920
Siegmund Lubin (born Zygmunt Lubszyński [citation needed], April 20, 1851 – September 11, 1923) was an American motion picture pioneer who founded the Lubin Manufacturing Company (1902–1917) of Philadelphia.
Rotary tables are most commonly mounted "flat", with the table rotating around a vertical axis, in the same plane as the cutter of a vertical milling machine.An alternate setup is to mount the rotary table on its end (or mount it "flat" on a 90° angle plate), so that it rotates about a horizontal axis.
The bank gained clients and grew rapidly in the 1960s and 1970s. In the early 1970s, S. G. Warburg entered into a U.S. joint venture with Paris-based Paribas (Banque de Paris et des Pays-Bas, prior to the bank's nationalisation in 1982) named Mercury Securities.
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