Bow with automatic arrow holder
作者： Wendell R Brooks
DOI:
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摘要:
lens.org 参考文章(4)
Erlo C Nelson, Automatic arrow holder ,(1952)
George S Ott, Arrow clamp for archery bows ,(1947)
James B Harriss, Method and apparatus for separating leaves from packages ,(1917)
Wilen Charles-Henri, Pistolets à harpons pour la pêche sous-marine ,(1947)