Carlos R. D. S. Copia

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Sao Paulo, BR

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Patents Grantslast 30 patents

Information Patent Grant
Cutting/sealing device for plastic bag making machines
- Patent number 4,449,962
- Issue date May 22, 1984
- Maquinas Npu Ltda.
- Carlos R. D. S. Copia
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL