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Diagrit Electrometallics Ltd
Diagrit El
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3229427A
Apparatus for performing a drilling operation on a workpiece
Expired / Lapsed
1963-07-29
1966-01-18
1
Details
US3154894A
Tool for dressing the surface of a conical hole
Expired / Lapsed
1961-01-24
1964-11-03
2
Details