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Application filed by Dyckerhoff & Widmann Ag, Ernst BongardtfiledCriticalDyckerhoff & Widmann Ag
Publication of CH40962ApublicationCriticalpatent/CH40962A/de
CH40962A1907-07-221907-07-22Stampfmaschine zur Herstellung von Hohlkörpern, deren Wandung an verschiedenen Stellen verschiedene Stärke besitzt
CH40962A
(de)