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183.19 KB2023-08-07
1.84 MB2021-07-24
1.57 MB2021-02-10
[国外标准] ETSI EN 300 744 V1.6.1 (2009-01) Digital Video Broadcasting (DVB); Framing structure, channel coding
1.17 MB2020-11-30
[国外标准] ETSI EN 300 744 V1.6.1 (2008-09)(draft) Digital Video Broadcasting (DVB); Framing structure, channel
1.28 MB2020-11-30
[国外标准] EN 300 744-2004 Digital Video Broadcasting (DVB); Framing structure, channel coding and modulation f
1.11 MB2020-11-30
[国外标准] BS EN 744-1996 Plastics piping and ducting systems — Thermoplastics pipes — Test method for
503.81 KB2020-11-28
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280.13 KB2019-11-18
1.27 MB2019-11-06