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Method and apparatus for perforating a film of plastic material
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MACHINE FOR THE PRODUCTION OF EXTENSIBLE FILM COILS PRELIMINATED WITH A PERFECT WINDING DEVICE
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Machine for producing rolls of pre-stretched extendable film
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Spindle for winding up coreless rolls of a plastic film
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Method, mandrel and device for the removal of coreless rolls of a stretch film
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Method, mandrel and apparatus for winding up and removing coreless rolls of stretch film
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Method and apparatus for corrugating and winding up rolls of plastic film
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Method and apparatus for winding up coreless and soft-core rolls of film materials
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Method for winding and removing coreless rolls from a spindle
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Control procedure and apparatus for the constant pitch spacing and positioning in space of translating objects
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