Вот что пишут в википедии на эту тему: 21 ships so equipped were subject to torpedo attacks while the nets were deployed. 15 ships survived as the nets succeeded in protecting them. The other six were sunk because a torpedo either penetrated a net or hit an unprotected part of a ship. https://en.wikipedia.org/wiki/Torpedo_net
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21 ships so equipped were subject to torpedo attacks while the nets were deployed. 15 ships survived as the nets succeeded in protecting them. The other six were sunk because a torpedo either penetrated a net or hit an unprotected part of a ship.
https://en.wikipedia.org/wiki/Torpedo_net
Другой информации не видел.