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US Patent: D274,990
Micrometer
Patentees:
Fumio Yamamoto (exact or similar names) - Kure, Japan
Tetsuya Nakadoi (exact or similar names) - Kure, Japan

USPTO Classifications:
D10/73

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
Mitutoyo Mfg. Co. Ltd. - Tokyo, Japan

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Apr. 12, 1982
Granted: Aug. 07, 1984

Patent Pictures:
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