UNDERSEA OBSERVATION GALLERY

An undersea observation gallery comprising an annular chamber having sight windows in the outer peripheral wall thereof and an independent combination ballast tank and pontoon connected to the top of said annular chamber and communicated with said annular chamber by a stairway, said annular chamber...

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Bibliographische Detailangaben
Hauptverfasser: KYUHEI TANIGUCHI, TAIICHIRO AGARI, SHOJI YONEDA, TETSUO GOTO
Format: Patent
Sprache:eng
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