NOT TO BE P UBLISHED The information given in this document is not to be com· municated, either directly or indirectly, to the P ress or t o any person not holding an official position in His Maj esty's Ser vice. 'v,) DANNERT CONCERTINA WI RE OBSTACLES...
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NOT TO BE P UBLISHED The information given in this document is not to be com· municated, either directly or indirectly, to the P ress or t o any person not holding an official position in His Maj esty's Ser vice. 'v,) DANNERT CONCERTINA WI RE OBSTACLES (PROVISIONAL) ( MILITARY TRAINING PAMPHLET No. 21 I 1939 I Prepared under the direction of The Chief of the Imperial General Staff. (Reprinted in Canada ( J uly 1939) 1 by permission of the Controller1 H is Majesty's Stationery Office.) 10M--4·41 (18) H .Q. 10·40· 9
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