History

INTRO
1971
1972
1975
1978
1984
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1989
1990
1993
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1998
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2019
2021
1998. OZ obtained ISO 9001 Certification, issued by the German KBA board; the first Italian company with this certification across its’ entire production cycle.

1998.

OZ obtained ISO 9001 Certification, issued by the German KBA board; the first Italian company with this certification across its’ entire production cycle.