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Application filed by David S SheridanfiledCriticalDavid S Sheridan
Priority to DK354982ApriorityCriticalpatent/DK156457C/da
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Publication of DK156457BpublicationCriticalpatent/DK156457B/da
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Publication of DK156457CpublicationCriticalpatent/DK156457C/da
Instalacion de rigidizacion transitoria de productos blandosmuy alargados, particularmente para trenzar o arrollar en espiral tubos de caucho u otros materiales elastomeros o plasticos.
A process and apparatus for the manufacturing of tubular members made of projected concrete,with an evenly distributed reinforcement and products thus obtained