Spelkort

申请公布号：FI16256(A)

申请号：FID16256

申请公布日期：1934.12.07

发明人：WALLIN CARL GUNNAR

分类号：A63F1/02;(IPC1-7):A63F1/02

主分类号：A63F1/02

HEAT INSULATING SHAPE MATERIAL AND ITS MANUFACTURE

APPARATUS FOR CONTROLLING TEMPERATURE OF WATER HEATER

EARTHQUAKE-PROOF STRUCTURE FOR FOUNDATION OF HIGH-TEMPERATURE EQUIPMENT INSTALLATION

ELECTROMAGNETIC FOCUSING CRT

PREHEATING AND PRECOOLING CONTROLLER

APPARATUS FOR CONTROLLING TEMPERATURE AND HUMIDITY OF AIR CONDITIONER

OPTICAL SWITCH

REMOTE CONTROL DEVICE FOR COMBUSTION

HIGH-TEMPERATURE FURNACE

ELECTRONIC RETRIEVING DEVICE

CONTROLLER FOR WATER HEATER

OPTICAL FIBER CORE WIRE

DRY ETCHING METHOD

SEMICONDUCTOR PHOTOELECTRIC CONVERTER

SURFACE TREATMENT OF COMPOUND SEMICONDUCTOR

FLUORESCENT LAMP

PICTURE TUBE

PICTURE PROCESSING DEVICE

PICTURE INPUT DEVICE

Cooking oven circulation fan - has heat-sink and rear plate protecting shaft bearing against over-heating