The 1931 international code of signals. Vol. II, For radio signaling ...

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110 1 ‡aGreat Britain. ‡bBoard of Trade.
245 1 4 ‡aThe 1931 international code of signals. ‡nVol. II, ‡pFor radio signaling ...
250 ‡aAmerican ed. ‡b(Effective January 1, 1934)
260 ‡aWashington, ‡bU. S. Govt. print. off., ‡c1933.
300 ‡axvii, 418 p. ‡c28 cm.
490 0 ‡aU. S. Hydrographic office. ‡vPublication no. 88
500 ‡a"Sold by the Hydrographic office under authority of the Secretary of the Navy."
538 ‡aMode of access: Internet.
650 0 ‡aMerchant marine ‡xSignaling.
650 0 ‡aSignals and signaling.
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