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(en )
2001-02-07
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(en )
2001-12-12
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(en )
2001-11-28
EXTERNAL CYLINDRICAL RECTIFIED MACHINE
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1982-03-31
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1976-05-14
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2008-02-06
CUTTING AND SHARPENING ASSEMBLY
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(en )
1932-05-25
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(en )
1982-11-30
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2001-11-28
INTERNAL CYLINDRICAL RECTIFIED MACHINE
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(en )
1937-10-11
Process for polishing mirror glass.
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(en )
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(en )
1930-09-10
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(en )
1974-06-07
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1975-04-08
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2002-09-04
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(en )
1927-02-10
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(en )
1960-11-25
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1993-01-29
Honing head construction
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1983-12-30
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1974-02-19
CENTERLESS GRINDING MACHINE
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(en )
2023-05-15
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AT200419B
(en )
1958-11-10
Method and device for the production of race rings for roller or ball bearings