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1996-05-14
Formation of foundry core blocks
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1989-06-22
Cold setting compositions for foundry sand cores and molds
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1982-04-01
Process for preparing olivine foundry sand and mould compositions containing olivine foundry sand
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1993-10-13
Process for making foundry sand mold
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1989-05-30
Kaolinite-illite-carbon binder for quartz moulding sand mixes used in production of cast-iron castings
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1988-06-08
Process for production of sand casting moulds
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1989-06-12
Kaolinite-illite-carbon binder for making synthetic quartz sand moulding sand mixes for cast iron castings
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1984-12-17
Self-hardening sand mix for making moulds and cores
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1989-11-02
Curing binders for foundry moulds and cores
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1989-02-20
Method of pneumatically compacting sand casting moulds
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1989-11-15
Sand mix for foundry cores
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1984-09-10
Moulding sand for precision casting using lost-wax process
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1990-05-14
Self-hardening mixture for foundry moulds and cores
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1988-11-10
Hardening binder composition for mould and core sand mixes and mould and core sand mix containing it
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1990-06-13
Foundry mixture for moulds and cores production
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1989-02-20
Apparatus for pneumatically compacting sand casting moulds
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1993-01-07
Mixture for making foundry molds and cores
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1992-08-23
Sand for casting molds and cores
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1980-05-16
Foundry sand mixture for manufacturing mold and core
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1988-11-15
Mould for casting of high- strenght concrete for body elements in machine manufacture
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1992-12-30
Moulding sand for foundries
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1992-05-07
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1992-01-15
Mixture for producing foundry moulds and cores
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1989-07-10
Hardener for water-glass containing moulding sand mixes
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1988-03-30
Self-hardening moulding/core sand