发明名称 Water colour marker released from crashed - aircraft
摘要 <p>Device as in FR 1401325. The kinetic energy of impact on water is used to ensure rapid separation of the body and the charge of dye. Preferably, the fins on the wall are replaced by triangular windows cut out of the end section, giving better falling stability. The cork stopper disc is replaced by a profiled piece of polyethylene.</p>
申请公布号 FR2034212(A2) 申请公布日期 1970.12.11
申请号 FR19690004736 申请日期 1969.02.25
申请人 ETAT FRANCAIS 发明人
分类号 F42B8/22;F42B10/06;F42B12/40;(IPC1-7):64D1/00 主分类号 F42B8/22
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