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Application filed by Robert Talbot Mc Elvenny, Harold Ivan SnyderfiledCriticalRobert Talbot Mc Elvenny
Priority to DK516861ApriorityCriticalpatent/DK111635C/da
Application grantedgrantedCritical
Publication of DK111635CpublicationCriticalpatent/DK111635C/da
Publication of DK111635BpublicationCriticalpatent/DK111635B/da