[59]� Proposed modification to Recommendation ITU-R P.453-14 - Global digital maps of surface and elevated ducts

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[59]� Proposed modification to Recommendation ITU-R P.453-14 - Global digital maps of surface and elevated ducts

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Document :	ITU-R�WP3J.AR� Contribution� 59
Title :	Proposed modification to Recommendation ITU-R P.453-14 - Global digital maps of surface and elevated ducts
Date :	2021-06-09
Source :	China (People's Republic of)
Access :	Restricted to TIES users�[ITU-R]

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