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Flow regulator
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Patent number 4,250,914
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Issue date Feb 17, 1981
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Industrie Pirelli Societa per Azioni
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Antonio Ferrentino
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G05 - CONTROLLING REGULATING
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Flow meter
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Patent number 4,193,301
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Issue date Mar 18, 1980
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Industrie Pirelli S.p.A.
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Antonio Ferrentino
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G01 - MEASURING TESTING
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Optical fiber cable
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Patent number 4,185,887
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Issue date Jan 29, 1980
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Industrie Pirelli Societa per Azioni
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Antonio Ferrentino
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G02 - OPTICS
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Helix winding apparatus
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Patent number 4,123,928
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Issue date Nov 7, 1978
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Industrie Pirelli Societa per Azioni
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Antonio Ferrentino
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Optical fiber cable and manufacture thereof
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Patent number 4,090,902
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Issue date May 23, 1978
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Industrie Pirelli, S.p.A.
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Antonio Ferrentino
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Optical fiber cable
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Patent number 3,937,559
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Issue date Feb 10, 1976
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Industrie Pirelli S.p.A.
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Antonio Ferrentino
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL