Improvements in and relating to electrical communication systems,申请号GB19490013846-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 electrical communication systems
摘要
申请公布号	GB674735(A)	申请公布日期	1952.07.02
申请号	GB19490013846	申请日期	1949.05.24
申请人	TELEPHONE MANUFACTURING COMPANY LIMITED	发明人	PARKER LESLIE KEARTON
分类号	H04M9/08	主分类号	H04M9/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

METHOD OF HOT-ROLLED STRIPS MANUFACTURING

SELF-CONTAINED DEVICE SPRAYING GAS CYLINDER AEROSOL IN ENCLOSED SPACE

POLYURETHANE SORBENT OF HYDROCARBONS AND METHOD OF CLEANING AQUEOUS MEDIA AND SOLID SURFACES FROM HYDROCARBON POLLUTION

GAS-PERMEABLE MEMBRANE FROM INORGANIC MATERIAL

FIRE EXTINGUISHING FOAM COMPOUND

METHOD OF OSTEOPLASTY

EPILATION DEVICE WITH TWEEZERS FOR PLUCKING

METHOD OF TWO-STEP TOE TRANSPLANTATION ON PALM

METHOD FOR PRODUCTION OF IRON-CONTAINING DIETARY SUPPLEMENT

DOUGH MAKING METHOD FOR ROLLS WITH SOY PROTEIN-RICH ADDITIVE

METHOD OF PREPLANT TREATMENT OF SEED POTATO TUBERS

METHOD OF PRODUCING ARMORED SHIELDS AND ARMORED SHIELD

THERMAL POWER STATION RUNNING SIMULTANEOUSLY ON FLUID AND SOLID FUELS AS WELL AS ON ENGINE EXHAUST GAS

CYCLOALKYL DERIVATIVES OF 3-HYDROXY-4-PYRIDININES

METHOD OF RACEMATION OF (S)-(+) AND (R)-(-)-10,11-DIHYDRO-10-HYDROXY-5H-DEBENZ(b,f)AZEPIN-5-CARBOXAMIDE AND THEIR OPTICALLY ENRICHED MIXTURES

COMPOSITION FOR MAKING CONSTRUCTION MATERIAL

FOOT PROSTHESIS WITH ADJUSTABLE CHARACTERISTICS

SYTHESIS OF 4-AMINO-2-BUTENOYLCHLORIDES AND THEIR USE IN MAKING 3-CYANOQUINOLINES

PLASMA INDUCED COATING SOLIDIFICATION