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CRA Services Ltd.
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Melbourne, AU
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing metals and metal alloys in a smelt reduction...
Patent number
5,489,325
Issue date
Feb 6, 1996
CRA Services Ltd.
John V. Keogh
C21 - METALLURGY OF IRON
Information
Patent Grant
Heating and treatment of particulate material
Patent number
5,364,446
Issue date
Nov 15, 1994
CRA Services Ltd.
Robin J. Batterham
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Manufacture of iron and steel in a duplex smelter and solid state o...
Patent number
5,227,116
Issue date
Jul 13, 1993
CRA Services Ltd.
Rodney J. Dry
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for classifying particulate material
Patent number
4,951,825
Issue date
Aug 28, 1990
CRA Services Ltd.
Albert P. Hawkins
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Patents Applications
last 30 patents
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last 30 trademarks