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| 01243nam 2200301zi 4500 |
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| 001 | 9.889522 |
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| 003 | CaOODSP |
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| 005 | 20221107172318 |
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| 006 | m o d f |
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| 007 | cr |n||||||||| |
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| 008 | 200720e197207##onc|||| ob f00| 0|eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 043 | |an-cn--- |
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| 086 | 1 |aCo24-576/1972E-PDF |
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| 100 | 1 |aDe Mercado, John,|d1941- |eauthor. |
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| 245 | 10|aData networks in perspective : |ban overview and evaluation of developments and plans / |cby John De Mercado and Larry Durr. |
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| 264 | 1|a[Ottawa] : |bCommunications Planning Branch, Department of Communications, |cJuly 1972. |
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| 300 | |a1 online resource (54 pages) |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 500 | |aDigitized edition from print [produced by Innovation, Science and Economic Development Canada]. |
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| 504 | |aIncludes bibliographical references (pages 12-13). |
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| 650 | 0|aData transmission systems. |
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| 650 | 6|aTéléinformatique. |
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| 710 | 1 |aCanada. |bDepartment of Communications, |eissuing body. |
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| 856 | 40|qPDF|s3.55 MB|uhttps://publications.gc.ca/collections/collection_2022/isde-ised/Co24-576-1972-eng.pdf |
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