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GB416179A
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Improvements in and relating to case-hardening
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GB386506A
|
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Improvements relating to grinding apparatus for flat surfaces
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US1951977A
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Grinding the treads of wheel rims for rail vehicles and the like
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DE572060C
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Grinding of the glass-hard material zone on the running surfaces of used railway wheels with very high strength
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DE532487C
|
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Device for supplying a liquid to the grinding wheel
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DE539986C
|
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Method for applying the grinding fluid to the circumference of rotating grinding wheels
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