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FR2690595A1
(fr )
1993-10-29
Dispositif d'alimentation de lampes à décharge et projecteur de véhicule utilisant un tel dispositif.
US3739139A
(en )
1973-06-12
Apparatus for short circuit electric arc welding
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CH284599A
(fr )
1952-07-31
Procédé de conversion d'un courant alternatif monophasé en impulsions de courant.
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JPS5916870B2
(ja )
1984-04-18
パルスア−クヨウセツホウホウ
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