UNDERWATER SEISMIC TESTING
申请公布号：GB2062227(A)
申请号：GB19790037051
申请日期：1979.10.25
申请公布日期：1981.05.20
分类号：G01V1/02;G01V1/387;(IPC1-7):G01V1/02;G01V1/38
主分类号：G01V1/02
Train control system
Shaft furnace
Process for making 1.6-dibromo-2-hydroxy-naphthalene-3-carboxylic acid
Splash guard
Method of shellfish culture
Engine
Electric furnace
Process of making mixed cellulose esters
Garment stay
Hygrometer
Communication with moving vehicles
Method and apparatus for making color motion pictures
Massage device
Regeneration of photographic developers
Lifting jack
Mounting for brackets
Branch-fitting for water-tubes and method of making same
Dust collector
Brush lifting device
Wire drawing apparatus
