株式会社極東書店トップ ＞ 商品一覧 ＞ Shark Repellents From The Sea: New Perspectives.
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Some species of sharks, because they are large, agile predators, are extremely dangerous to humans in water. During World War II, the long-time goal of an effective shark repellent was partially realized by the U.S. Navy's development of "Shark Chaser," a copper acetate-negrosine dye mixture. But neither Shark Chaser nor other noxious or even extre