Dispositif de sécurité pour voies de chemins de fer

申请公布号：FR878894(A)

申请号：FRD878894

申请日期：1941.09.23

申请公布日期：1943.02.08

申请人：

COMPAGNIE DES MINES D'ANZIN

分类号：B61K7/12

主分类号：B61K7/12

HYDRAULIC MACHINE

WEAR RESISTANT SINTERED ALLOY

METHOD FOR TESTING MOISTUREPROOFNESS OF SEMICONDUCTOR DEVICE

PRESSURE SENSOR

CALIBRATION PLATE

SENSOR FOR OIL PRESSURE

SOLENOID-CONTROL-PILOT OPERATED TYPE REMOTE CONTROL VALVE

SHAFT SEAL DEVICE OF ELECTRIC ROTARY MACHINE

SOLAR HEAT AIR LIFT PUMP

ENCLOSED ROTARY COMPRESSOR

CONTINUOUS FIXED FLOW TRANSPORTING DEVICE OF PRESSURIZED LIQUID

VIBRATION-PROOF DEVICE

IGNITION DEVICE FOR INTERNAL-COMBUSTION ENGINE

MANUFACTURE OF DEEP-DRAWN FORMING FROM DRY MOLDING MAT

NOISE FILTER

DRIVING METHOD FOR SOLID CHARGE COUPLED DEVICE

SEMICONDUCTOR DEVICE

MANUFACTURE OF SEMICONDUCTOR DEVICE

PROCESS FOR SELECTIVE DEALKYLATION OF ALKYL-SUBSTITUTED AROMATIC HYDROCARBONS

HOSE ASSEMBLY AND METHOD OF MAKING IT