Perfectionnement aux échangeurs de température

申请公布号：FR1027030(A)

申请号：FRD1027030

申请日期：1950.10.31

申请公布日期：1953.05.06

发明人：VELUT RENE

分类号：F28F3/04

主分类号：F28F3/04

PROCESS FOR THE PRODUCTION OF PHENYLGLYCYL CHLORIDE HYDROCHLORIDES

BOOT OR SHOE INCORPORATING PEDOMETER OR THE LIKE.

Lighting fitting.

FLUID CONTROLLER

HYDROSTATIC POWER TRANSMISSION GEAR

PRINTING METHOD AND PRINTER FOR MANAGING NUMBER

Vaccine against DNA viruses.

DEVICE FOR OPTICAL CHARACTER READING

Process for producing hot reduction gas.

Differential heating of upset ends of oil country tubing by induction heating.

Submerged aerator.

Submerged aerator.

Working station within a transfer line, in particular for assembling or/and machining car-body parts.

PIEZOELECTRIC ACOUSTIC GENERATOR

RECORDING AND REPRODUCING DEVICE

FACSIMILE ELECTRICAL TRANSMISSION SYSTEM

BINARY CODING CIRCUIT

MIS TYPE PRESSURE SENSOR

SEMICONDUCTOR PRESSURE SENSOR

EARTHQUAKE-PROOF DRY TYPE TRANSFORMER