621.3820287 / UN3
UNITS OF MEASUREMENT TO BE USED IN AIR-GROUND COMMUNICATIONS
/
.- 3
.- International Civil Aviation Organization, Ottawa, 1962
.- 8 .
Subject Headings:
Communication -- Standard;
Copy Details:
Acc. No.: A48919, Full Call No.: 621.3820287 UN3, Item type: Written-off , Location: ,
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