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Later on, in 1973, another federal law 5966 created the national system of metrology, standardization and. Description download abnt nbr 15421 free in pdf format. The brazilian data coding system is called ginga and comprises the language specification used by the presentation engine gingancl, the monomidia coding and gem compliant java presentation engine the lower level protocol is the data carrousel for transmission of a data. The file extension pdf and ranks to the documents category. Abnt nbr 16101 20120829 particulate air filters for general ventilation determination of the filtration performance. Description download z abnt nbr 16401 2 2008 comments. Norma brasileira abnt nbr 16401 3 primeira edicao 04. Publication date 20170912 usage public domain mark 1. Use the download button below or simple online reader.
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