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RO107159B1
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Preparation process of a photographic emulsion
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RO107158B1
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Preparation process for a light photosensitive product used in
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RO107045B1
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Spectrum sensiting process of films
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RO107044B1
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Preparation process of a photographic emulsion
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RO110984B1
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Cooling process of the nitrogenic gases with heat recovery from the azotic acid preparation
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RO104720B1
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Production method of 4,4-dimethyl-1-phenyl-3-pyrazolidine
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RO104183B1
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Device for wrapping the adhesive strips
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RO104975B1
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Process and plant for the reduction of energy consumptions of the stripping column of furfurol
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RO104973B1
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Producing process for 1-hydroxi-n-(4-chlorine-1-dodeciloxicarboxyphenyl)-2-naphtylamide
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RO104974B1
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Producing process of 1-hydroxi-4(2-carboxy-phenoxyphenyl-azo)-n-(4-cl-1-dodeciloxy-carboxyphephenyl)-2-naphthamide
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RO106361B1
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Machine for corners rounding
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RO104022B1
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Production method of a photo sensitive emulsion with high resolution
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RO103554B1
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Method and device for automatic adjustment of temperature in furnaces
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RO104557B1
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Production method of b-chlor-propionic acid
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RO103166B1
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SAMPLING INSTALLATION FOR pH MEASUREMENT
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RO103090A2
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Preparation method of 4-metyl-3-pyrazolidone
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RO103091A2
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Preparation method of 3 amino-1-phenyl-2-pyrazoline
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RO103040B1
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Colour photosensitive material and production method
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RO102124B1
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Cian-monomer coupling obtaining method
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RO105181B1
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Process for preparing cyano-naphthoic copolymers
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