发明名称 Gas projection device sometimes with a burst disk, producing loud sonic report and smoke plume
摘要 Gas Projection Device that can take many external forms that simulate military munitions being exploded and that contain features that enhance the sound of the explosion and the appearance of smoke and attendant percussion. Such device can be controlled by many different means including electronic remote control.
申请公布号 US7317662(B2) 申请公布日期 2008.01.08
申请号 US20050109401 申请日期 2005.04.19
申请人 UNSWORTH JOHN D;HAMMOND KENNETH 发明人 UNSWORTH JOHN D.;HAMMOND KENNETH
分类号 G01V1/37 主分类号 G01V1/37
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