DK61477A -
PROCEDURE FOR SLITTING HOLE, CYLINDRICAL, PURPOSED SHELLS OF FELT MATERIAL IN THEIR LENGTH DIRECTION AND FACILITIES FOR PERFORMING THE PROCESS
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PROCEDURE FOR SLITTING HOLE, CYLINDRICAL, PURPOSED SHELLS OF FELT MATERIAL IN THEIR LENGTH DIRECTION AND FACILITIES FOR PERFORMING THE PROCESS
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Priority claimed from FR7417232Aexternal-prioritypatent/FR2278485A1/en
Application filed by Saint GobainfiledCriticalSaint Gobain
Priority to DK61477ApriorityCriticalpatent/DK61477A/en
Publication of DK61477ApublicationCriticalpatent/DK61477A/en
DK61477A1974-05-171977-02-11
PROCEDURE FOR SLITTING HOLE, CYLINDRICAL, PURPOSED SHELLS OF FELT MATERIAL IN THEIR LENGTH DIRECTION AND FACILITIES FOR PERFORMING THE PROCESS
DK61477A
(en)