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1990-01-18
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1988-09-27
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1987-06-12
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1989-12-20
Hitch assembly and use method
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1989-06-30
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1993-12-01
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1985-12-16
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1988-12-08
Carboxymethylsulfoethylcellulose and process for its preparation
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1986-02-16
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1986-06-23
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1993-06-01
PROCEDURE TO PREPARE OXOFTALAZINYL-HETERO-CYCLIC ACIDS
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1988-09-30
Catechol carboxylic acid derivatives
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1989-06-30
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1988-08-12
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1989-12-28
carboxylic acid derivatives
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1991-10-28
ISOPOLIPEPTIDES AND PROCEDURE FOR THEIR PREPARATION
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1993-12-01
BETA-LACTAM CARBOXYL BICYCLE ACIDS AND PROCEDURE FOR THEIR PREPARATION
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1989-02-13
Aminopolycarboxylic acids and derivatives thereof
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1985-08-03
Saturated bicyclic lactamic acids and their derivatives
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1987-04-01
MERCAPTOTETRAZOLYLALKANOHYDROXAMIC ACIDS AND PROCEDURE FOR THEIR PREPARATION
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1990-09-29
THERMOTROPIC COPOLIAZOMETINS AND PROCEDURE FOR THEIR PREPARATION
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1988-01-09
7BETA- (SUBSTITUTED) -AMINO-3-SUBSTITUTED CEPHALOSPORANIC ACIDS AND ESTERS THEREOF
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1986-11-25
PROCEDURE FOR THE PREPARATION OF 5-CHLORO AND 5-BROMO-2-HYDROXYNICOTIC ACIDS.
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1993-12-01
CARBOXIALQUENOIC ACIDS AND THE PROCEDURE FOR THE PREPARATION
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1989-04-26
Aminopolycarboxylic acids and derivatives thereof