DK81350C -
Device for pressure boilers, in particular oil pressure boilers with high operating pressure, for automatic regulation of the air cushion.
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Device for pressure boilers, in particular oil pressure boilers with high operating pressure, for automatic regulation of the air cushion.
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Application filed by Kracht Pumpen MotorenfiledCriticalKracht Pumpen Motoren
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DK91354A1953-04-211954-03-18
Device for pressure boilers, in particular oil pressure boilers with high operating pressure, for automatic regulation of the air cushion.
DK81350C
(en)