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- Material Type
- 図書
- Publication, Distribution, etc.
- Publication Date
- 19uu.
- Extent
- v. : ill. ; 27 cm.
- Alternative Title
- National Telecommunications and Information Administration technical memorandum seriesNTIA-TMN.T.I.A. technical memorandum seriesTechnical memorandum series
- Place of Publication (Country Code)
- US
- Text Language Code
- eng
- Subject Heading