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Priority claimed from FI980630Aexternal-prioritypatent/FI980630A/en
Application filed by Ahlstrom Machinery OyfiledCriticalAhlstrom Machinery Oy
Priority to FI990334UpriorityCriticalpatent/FI4223U1/en
Publication of FIU990334U0publicationCriticalpatent/FIU990334U0/en
Application grantedgrantedCritical
Publication of FI4223U1publicationCriticalpatent/FI4223U1/en