GAS SHIELD ARC WELDING METHOD BY MULTI-POLE

申请公布号：KR800000218(B1)

申请号：KR19750002545

申请日期：1975.11.22

申请公布日期：1980.03.22

申请人：

NIPPON KOUKANG CO LTD

发明人：DANAKA JINKICHI;WADANABE IDARU;KOSHIKA FUSAO

分类号：B23K9/16;(IPC1-7):B23K9/16

主分类号：B23K9/16

摘要：In a method of multiple electrode gas shielded arc welding, a leading electrode or electrode group is made of an electrode wire having a chemical composition with different amounts of deoxidizing elements from that of the electrode wire consistuting the trailing electrode or electrode group such that the properties of the plurality of layers are made substantially uniform.

NUCLEAR CORE POSITIONING SYSTEM

ULTRASONIC WAVE TRANSMITTING AND RECEIVING APPARATUS

NIEUW KOOLSTOFHOUDEND MATERIAAL EN WERKWIJZE VOOR HET PRODUCEREN VAN EEN GAS MET HOGE CALORISCHE WAARDE DAARUIT.

ELECTRIC ACTIVE CARBON REGENERATING APPARATUS

APPARATUS FOR GENERATING OZONE

ELECTRIC COLOR DEVELOPING DISPLAY BODY

SINGLE CRYSTAL PULLING METHOD

METHOD OF MAKING STAIRINGGHEADDPIPE

SIDE GUIDE APPARATUS IN FRONT OF COIL WINDING MACHINE

SCARE SHIFTER

CUTTER OF SLIDING MULTIIPLATE TYPE SCREW PRESS

BOILERRCOOLER

MANUFACTURE OF SEMICONDUCTOR DEVICE

COMBINED HOTTWATER UNIT AND HEATER

COOKING DEVICE

DISPLAY UNIT OF NORMAL OPERATION FOR COMPUTER PROGRAM

ARMORING MATERIAL FOR SUBMARINE CABLE

METHOD OF MAKING METAL WIRE

CONSTANT VOLTAGE CONSTANT FREQUENCY POWER UNIT

WOOD PRESERVATIVES