Building-brick or-block for raising chimneys, air-shafts and other gas-ducts,申请号GB19290034624-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Building-brick or-block for raising chimneys, air-shafts and other gas-ducts
摘要
申请公布号	GB336469(A)	申请公布日期	1930.10.16
申请号	GB19290034624	申请日期	1929.11.13
申请人	WILHELMUS JOHANNES VAN DER KRAGT	发明人
分类号	E04F17/00	主分类号	E04F17/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Improvements in or relating to Magnetic Tape Recording and/or Playback Apparatus

Motion Picture Projector

Endless Tape Cartridge

Improvements in or relating to Syphon Type Wall Dryers

YEAST FOR BAKERY PRODUCTS.

SEMI-AUTOMATIC PALLET LOADING DEVICE

Hollow Structure and method of making same

Improvements in or relating to Racket Frames

Improvements in and relating to Methods of Manufacturing Semiconductor Devices

Method of manufacturing Organic Thermoplastic Filaments

Improvements in or relating to Machines for Cutting Tow into Staple Fibres

Method for Rendering Substrates Water Repellent

Circuit Arrangement for the Automatic Balancing of Pre-Set Current Values which can be Varied Arbitrarily.

Improvements in and relating to Feed Devices for Automatic Machines

Improvements in Electrical Rotating Machine Armatures

UO2-Columbium Cermets

Sealed Electrical Cell

Photographic Casette Loading and/or Unloading Machine

Improvements in and relating to Grease Extracting Ventilating Apparatus.

Electrophotography