PROCEDE PERFECTIONNE POUR LA PREPARATION DE COPOLYETHER-GLYCOLS

申请公布号：BE868381(A1)

申请号：BE19780188791

申请日期：1978.06.22

申请公布日期：1978.12.22

申请人：

E.I. DU PONT DE NEMOURS AND CY

分类号：C08G65/20;C08G65/26;(IPC1-7):C08G/

主分类号：C08G65/20

THRESHED STRAW TREATING DEVICE

DISCHARGING DEVICE OF BUNDLED STRAW

INFORMATION SIGNAL RECORDING CARRIER

AUTOMATIC RESETTING DEVICE OF TONE ARM OF RECORD PLAYERS

DOOR LOCK

METHOD OF AND APPARATUS FOR GRINDING END SURFACE OF STEEL MEMBER

AUTOMATIC ORIGINATING NUMBER AND SERVICE RECORDER

APPARATUS FOR PROTECTING RAIN PIPE

ANORDNING FOR SAMMENSKJOETING AV PRESENNINGER

RICE CENTER BUSINESS PROCESSING SYSTEM

METHOD OF MELTING STAINLESS STEELS

PARAMETRIC AMPLIFIER

AID FOR PRESSING PELLET-TYPE SEMICONDUCTOR DEVICE TO COOLER

Reproduktionskamera.

GAFFELOMSKIFTER TIL TELEFONAPPARATER

Fremgangsmåde til progressiv fremstilling af organopolysiloxanelastomere.

Fremgangsmåde til ekstraktion af sterolglycosider fra materiale af vegetabilsk oprindelse.

DEVICE FOR CUTTING PIPE END

METHOD OF MANUFACTURE OF DIAMOND TOOL

MENGER.