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1997-08-26
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1992-10-22
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1987-07-28
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1987-04-29
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1987-01-28
Method of making grinding stones
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1985-12-24
Diamond wire for cutting stone and marble
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1985-12-11
Treating slurry
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1987-09-28
Roller stone and roller conveyor composed of roller stones
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1990-10-17
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1985-08-28
Abrasive grits or ceramic bodies and preparation thereof
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1986-08-29
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1986-04-08
Planetary grinding machine for grinding surfaces of terazzo tiles and natural stones
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1990-10-03
Improvement in stone crushers
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1986-04-08
Grinding machine for pass-through grinding of terazzo tiles and natural stones
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1985-06-19
Vibratory grinding
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1986-08-15
Device for grinding of materials
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1986-10-01
Grinding stone coal
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1988-07-13
Sanding and polishing machine
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1988-01-28
Polishing stone and method for producing same
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1995-01-20
Method of grinding materials in ball-tube mill
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1985-10-15
Apparatus of rock grinding
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1989-08-07
Method of machining stone surfaces
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1984-02-15
Artificial stone
SU1592308A1
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1990-09-15
Method of working articles of natural stone
PL247131A1
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1985-11-05
Grinding machine for grinding side edges of terrazzo slabs and natural stone blocks for grave covering and similar purposes