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Application filed by Hugo Simons & CofiledCriticalHugo Simons & Co
Application grantedgrantedCritical
Publication of AT31907BpublicationCriticalpatent/AT31907B/en
AT31907D1906-10-291906-10-29
Lock for the production of connections protected against accidental loosening, but if desired easily detachable.
AT31907B
(en)