Improvements in and relating to apparatus for demonstrating the sound absorbing properties of various materials,申请号GB19300016071-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 and relating to apparatus for demonstrating the sound absorbing properties of various materials
摘要
申请公布号	GB354431(A)	申请公布日期	1931.08.13
申请号	GB19300016071	申请日期	1930.05.24
申请人	C. F. BURGESS LABORATORIES INCORPORATED	发明人
分类号	G09F19/10	主分类号	G09F19/10
代理机构		代理人
主权项
地址

您可能感兴趣的专利

COLOUR TELEVISION RECEIVER WITH AUTOMATIC BRIGHTNESS CONTROL LOOP

MULTI-STAGE HYDRAULIC RAM END ASSEMBLIES ALLOW REMOVAL OF INDIVIDUAL RAM TUBES

BONDING AGENT FROM POLYPHENOLIC MATERIAL OF VEGETABLE ORIGGIN AND ITS USE IN THE MANUFACTURE OF PLYWOOD PARTICLE-BOARD ETC

FOOD PROCESSOR SAFETY INTERLOCK FOR FOOD PUSHER

FASTENER FOR PANELS

PLASMA TREATMENT PROCESS

QUINOLINONE DERIVATIVES

INSECT REPELLENT.

NOVEL PROCESS FOR PRODUCING 7-(SUBSTITUTED) AMINO-3-SUBSTITUTED THIOMETHYL-3-CEPHEM-4-CARBOXYLIC ACIDS

NEW DERIVATIVES OF 4-AMINO-5-ALKYLSULPHONYL ORTHOANISAMIDES,METHODS OF PREPARING THEM AND THEIR APPLICATION AS PSYCHOTROPIC AGENTS

VINYLTRIAZOLE DERIVATIVES,PROCESSES FOR THEIR PREPARATION AND THEIR USE AS GROWTH REGULATORS AND FUNGICIDES

METHOD AND APPARATUS FOR EFFECTING SUBSURFACE CONTROLLED ACCELERATED CHEMICAL REACTIONS

HALOGENATED ESTERS OF CYCLOPROPANEACIDS,THEIR PREPARATION COMPOSITIONS AND USE AS PESTICIDES

DIRT SEPARATOR FOR CARDING DEVICES

APPARATUS FOR INCREASING THE COPACITY OF CRUSHING MACHINE

CATALYSEUR A L'ARGENT, SUR SUPPORT AVEC PROMOTEUR ALCALIN, SON PROCEDE DE PREPARATION ET APPLICATION A L'OXYDATION DE L'ETHYLENE EN OXYDE D'ETHYLENE

APPAREIL ET PROCEDE DE CONTROLE DE NEGATIFS ET DISPOSITIF DE CADRAGE DE MASQUES

GRUPO HIDROELECTRICO PARA TURBINA O TURBINA-BOMBA DE EJE HORIZONTAL

ESTRUCTURA DE PERNO DE ARRASTRE COMPUESTO PARA MECANISMO DE CAMBIO DE PASO EN HELICES DE AVION