Improvements in pulse switching systems,申请号GB19470026138-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 pulse switching systems
摘要
申请公布号	GB644608(A)	申请公布日期	1950.10.11
申请号	GB19470026138	申请日期	1947.09.26
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H04J3/04	主分类号	H04J3/04
代理机构		代理人
主权项
地址

您可能感兴趣的专利

WORK EXECUTION METHOD FOR STEEL PIPE COLUMN FILLED WITH CONCRETE

FLUSH TOILET BOWL

UPPER BOOM FOR CONSTRUCTION MACHINERY

DEVICE FOR COVERING CORED BAR FOR FOOTHOLD TOOL WITH SYNTHETIC RESIN

GAP HOLDER ATTACHING DEVICE AND FORM CONSTRUCTION

ROTATING PILE PENETRATING EQUIPMENT

WOODEN SOUND-INSULATING PANEL HAVING HIGH SOUND- ABSORBING PERFORMANCE AND WOODEN SOUND-INSULATING WALL

SOUND-INSULATION WALL AND METHOD FOR INSTALLING IT

ANTI-FREEZING METHOD FOR WATER CONDUIT PIPE AND ANTI- FREEZING SYSTEM FOR WATER CONDUIT PIPE

ARRANGEMENT SPACE SECURING TYPE UPPER STRUCTURE

JOINT FOR REINFORCEMENTS OF BUILDING FOUNDATION

ANCHOR BOLT SUPPORT DEVICE FOR FOUNDATION CONCRETE

INCREASING METHOD FOR RIB KNIT AND RIB KNIT INCREASED BY THE SAME

SURFACE TREATMENT SOLUTION FOR MAGNESIUM ALLOY, TREATMENT METHOD USING THE SOLUTION AND MEMBER MADE OF MAGNESIUM ALLOY

BLACK CHEMICAL CONVERSION TREATMENT SOLUTION FOR MAGNESIUM ALLOY, TREATING METHOD USING THE SAME, AND MAGNESIUM-ALLOY MEMBER USING THE SAME

POSTTREATMENT SYSTEM IN ZINC PLATING

ALUMINUM ALLOY SHEET HAVING EXCELLENT PULSE LASER WELDABILITY AND PRODUCTION METHOD THEREFEOR

SUPERLATTICE PHOSPHOR THIN FILM AND METHOD FOR PRODUCING THE SAME