首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
SIGNALLING SYSTEM
摘要
申请公布号
CA426433(A)
申请公布日期
1945.03.27
申请号
CAD426433
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES
发明人
HAROLD MANVERS PRUDEN
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method of manufacturing exhaust pipe of two-passage construction
Device designed to open at least one page of a publication in order to introduce printed inserts
Structure for fixing pads to a fender frame of a marine fender
Emergency location and warning device and method for means of transport
Fixation method of the conduits of a mass flow sensor
Sealing head for the transport of a heat carrier to a rotating pressure system
UNA NUEVA FASE DE TRIHIDROXIDO DE ALUMINIO Y CATALIZADORES ELABORADOS A PARTIR DE LA MISMA
Piggyback bomb damage assessment system
Process for the production of olefinic oxides in the gas phase
New adamantane derivative and aqueous disinfectant composition containing it
SOLID BOWL CENTRIFUGE FOR SEPARATING MIXTURES OF LIQUIDS AND SOLIDS
Exposure method for an image forming apparatus, and image forming apparatus
Device for moving two alignment members alternatively in antiphase
VIDEO COMPRESSION SYSTEM
METABOLITOS DEL ACIDO (3-{4-TERC-BUTILBENCIL)-(PIRIDIN-3-SULFONIL)AMINO]METIL}FENOXI)ACETICO.
PORTION PACKAGING FOR GEL FEED
Phthalimido arylpiperazines as alpha 1A receptor antagonists useful in the treatment of benign prostatic hyperplasia
PROCESS FOR PRODUCING OXYGEN-CONTAINING UNSATURATED COMPOUND
Image forming apparatus and method
UNA PELICULA MULTICAPA COEXTRUSADA PARA EMBALAR HECHA DE POLIMEROS DE PROPILENO