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Application filed by Shanghai Hechengpolymer Tech Co LtdfiledCriticalShanghai Hechengpolymer Tech Co Ltd
Priority to MC2670ApriorityCriticalpatent/MC200211B1/fr
Publication of MC200211B1publicationCriticalpatent/MC200211B1/fr
Assemblage comprenant deux elements de coefficient de dilatation thermique differents et un joint fritte heterogene en densite et procede de fabrication de l'assemblage
Element de construction pour la realisation d'un tunnel, tunnel comprenant un tel element et procedes de fabrication d'un tel element et d'un tel tunnel