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HP
HARDT, Peter
CH-3930 Visp
Marchi, design e brevetti
4,4'-METHYLEN-BIS-(3-CHLOR-2,6-DIALKYLPHENYLISOCYANATE) UND DIESE ENTHALTENDE POLYURETHAN-SYSTEME
Brevetto europeo · EP0777647 · Inventore
Radiato
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