GR5366B -
MECHANICAL PROVISION FOR THE AUTOMATIC CLOSURE AND OPENING OF THE BARRIERS OF LEVELS PASSENCES (CROSSINGS) UNDER THIS TRAFFIC FROM THE FLOOR OUT.
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MECHANICAL PROVISION FOR THE AUTOMATIC CLOSURE AND OPENING OF THE BARRIERS OF LEVELS PASSENCES (CROSSINGS) UNDER THIS TRAFFIC FROM THE FLOOR OUT.
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Priority to GR350105366ApriorityCriticalpatent/GR5366B/en
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GR350105366A1935-07-231935-07-23
MECHANICAL PROVISION FOR THE AUTOMATIC CLOSURE AND OPENING OF THE BARRIERS OF LEVELS PASSENCES (CROSSINGS) UNDER THIS TRAFFIC FROM THE FLOOR OUT.
GR5366B
(en)