DIN 18709-3-1982《测量学概念、缩写符号和公式符号。海洋测量》 Concepts, abbreviations and symbols in surveying; hydrographic surveying Not… smollett 2022-01-29 80 0
DIN 18311-2012《German construction contract procedures (VOB) – Part C: General technical specifications in construc》 smollett 2022-01-29 92 0
DIN 18309-2012《German construction contract procedures (VOB) – Part C: General technical specifications in construc》 smollett 2022-01-29 87 0
DIN 18308-2012《German construction contract procedures (VOB) – Part C: General technical specifications in construc》 smollett 2022-01-29 61 0
DIN 16873-1997《电缆铠套用非增塑聚氯乙烯(PVC-U)管和管配件.尺寸和交货技术条件》 The document specifies pipes and fittings of unplasticized poly(vinyl chlori… smollett 2022-01-29 74 0
DIN 16868-2-1994《玻璃纤维增强聚酯树脂管(UP-GF).第2部分:绕制、填充管的通用质量要求与检验》 This standard contains general requirements and test methods for wound fille… smollett 2022-01-29 58 0