「US6762678B2 - Scuba Driver Communication And Tracking Device - Google Patents」の版間の差分

ナビゲーションに移動 検索に移動
ページの作成:「<br>Water sometimes doesn't present a uniform acoustic transmission medium as the speed of sound propagation and different sign transmission traits fluctuate with water t…」
(ページの作成:「<br>Water sometimes doesn't present a uniform acoustic transmission medium as the speed of sound propagation and different sign transmission traits fluctuate with water t…」)
(相違点なし)
4

回編集

案内メニュー