Novel or improved indicating means
申请公布号:GB589305(A)
申请号:GB19440025293
申请日期:1944.12.16
申请公布日期:1947.06.17
分类号:F16K37/00
主分类号:F16K37/00
SINGLE SECONDARY DIMMING INVERTER/BALLAST DEVICE FOR GAS DISCHARGE LAMPS
METHOD AND APPARATUS FOR DETECTING GROUND SHORTS IN ELECTRICAL SYSTEMS
CONTROL SYSTEMS FOR ELECTRIC GENERATORS
COMBUSTION EQUIPMENT FOR GAS TURBINE ENGINES
Method and Apparatus for Heating Particulate Material
Drag reducing edge for vehicle
CRACKING CATALYST COMPOSITION, PASSIVATING PROCESS AND GERMANIUM COMPOUNDS
SUGAR EXTRACTION FROM PLANT TISSUE
PROCESS FOR THE PREPARATION OF SUBSTITUTED PHENYLPYRIDINES
PERFEZIONAMENTO NELLE PIASTRE DI ARTICOLAZIONE DELLE GANASCE DI FRENI A ESPANSIONE