ICEBREAKERS (WATERCRAFT ENGINEERING AND SHIPBUILDING)
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BTTUGS, SPECIAL PURPOSE SHIPS (WATERCRAFT ENGINEERING AND SHIPBUILDING)
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UDC629.124.791.2
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Descriptor GEREISBRECHER (WASSERFAHRZEUGE UND SCHIFFBAU)
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Descriptor ENGICEBREAKERS (WATERCRAFT ENGINEERING AND SHIPBUILDING)
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Descriptor FREBRISE-GLACE (CONSTRUCTIONS NAVALES ET BATEAUX)