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24659-81

24659-81


24659-81


Short take off and landing aircrafts.
Acceptable noise levels on the ground and method of
noise level determination

24659-81

30 1981 . 1671

01.01.1982 .

() 5700 - () 600 .

, , .

( 16 , , 1978 .), 3891 561.

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