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Mamiya-OP Co Ltd

Mamiya-OP
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4382665A Automatic focusing device Expired / Lapsed 1981-05-27 1983-05-10 3 Details
US4303320A Automatic focus adjusting device Expired / Lapsed 1979-07-12 1981-12-01 2 Details