NF DTU 31.2 : 2011 AMD 1 2014被替代
BUILDING WORKS - TIMBER FRAME HOUSES AND BUILDINGS CONSTRUCTION - PART 1-1: CONTRACT BILL OF TECHNICAL MODEL CLAUSES - PART 1-2: GENERAL CRITERIA FOR SELECTION OF MATERIALS - PART 2: CONTRACT BILL OF SPECIAL ADMINISTRATIVE MODEL CLAUSES
出版：Association Francaise de Normalisation
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