Improvements in or relating to doors for air raid shelters,申请号GB19390032864-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	Improvements in or relating to doors for air raid shelters
摘要
申请公布号	GB534071(A)	申请公布日期	1941.02.26
申请号	GB19390032864	申请日期	1939.12.27
申请人	ALFRED BERNARD CROUCHER;HENRY JOHN PARSONS	发明人
分类号	E06B5/14	主分类号	E06B5/14
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Pacemaker with automatic PVARP adjustment during automatic mode switching

Device and method providing pacing and anti-tachyarrhythmia therapies

Apparatus and method of contention resolution for a plurality of handset units in a cordless telephone system

Wireless receiving subsystem

Method for reproducing data recorded at multiple angles on a recording medium

Systems and methods for handprint recognition acceleration

Structure for pressing a cassette in a magnetic record and playback machine

System for improving the dynamic range of transmitter power measurement in a cellular telephone

Constructional laser

Circuit for high-precision analog reading of nonvolatile memory cells, in particular analog or multilevel flash or EEPROM memory cells

Composite device and manufacturing method thereof

Visual control strip for imageable media

Key signal generating apparatus and picture synthesis apparatus, and key signal generating method and picture synthesis method

Optical flow meter integrally mounted to a rigid plate with direct optical access to the interior of a pipe

Network presence for a communications system operating over a computer network

Slurry recycling system of CMP apparatus and method of same

Method and apparatus for passively trimming sawyer motors to correct for yaw errors

Carbonaceous material having novel electronic structure of surface and method for the preparation thereof

Method of manufacturing semiconductor device

Photographic recording materials and their use in redox amplification