Propulsion means for diver
作者： Thomas J Athey
DOI:
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摘要:
lens.org 参考文章(4)
David J Wayfield, Swimming instruction garment ,(1958)
William J Sorrentino, Moe Walter, Water propelled boat ,(1962)
Stephen F Moran, Edgar N Rosemberg, Non-magnetic seacycle for scuba diving ,(1962)
Boatwright Albert, Back mounted underwater propulsion assembly for divers ,(1961)