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
CROSSBAR SWITCH CONTROL CIRCUIT FOR TELEPHONE EXCHANGES
摘要
申请公布号
PL139560(B1)
申请公布日期
1987.02.28
申请号
PL19830242090
申请日期
1983.05.20
申请人
发明人
分类号
H04M;H04Q;H04Q3/00;(IPC1-7):H04Q3/00
主分类号
H04M
代理机构
代理人
主权项
地址
您可能感兴趣的专利
A WATER-SWELLABLE PARTICULATE ABSORBENT MATERIAL AND METHOD FOR PRODUCING THIS MATERIAL
PHOSPHINE ACTIVATED PHOTOSENSITIVE COMPOSITIONS AND PHOTOPOLYMER PRINTING PLATES MADE THEREFROM
FILTERING APPARATUS
CONFORMAL COATING CURABLE BY COMBINATION OF RADIATION AND HEAT
ANORDNING FOR SAMMENKOPLING AV ET ROEROPPHENG MED OVERLIGGENDE BROENNUTSTYR
FINISHING & SEALING STRIPS
FREMGANGSMAATE FOR AA MINSKE HYDROCARBONINNHOLDET I LUFT ELLER VANN.
SPINNEPROSESS FOR FREMSTILLING AV TERMOPLASTFIBER
METAL MERCAPTIDES OF ESTERS OF BETA-MERCAPTO ALCANOLS, THEIR USE AS STABILISERS AND ORGANIC MATERIALS STABILISED THEREWITH
FREMGANGSMAATE TIL TEMPERATURREGULERING AV EKSOTERME REAKSJONER VED OVEROPPHETING AV VANNDAMP
HEAT-RECOVERABLE ARTICLES
COMBINATION CHECK & RELIEF VALVE
PERPENDICULAR MAGNETIC RECORDING MEDIUM
SELF-ADJUSTING PIPE CLAMP AND COUPLING
CONTROL APPARATUS FOR ELECTROSTATOGRAPHY
Electrolytes
Prosthetic heart valve and method of preparation thereof
Road wheel differential for light conveyances
SCHALTUNGSANORDNUNG ZUR WAHLWEISEN SPEISUNG VON DREHSTROM- UND GLEICHSTROMMOTOREN IN LAGEGEREGELTEN SYSTEMEN
VERFAHREN UND SCHALTUNGSANORDNUNG ZUR ERMITTLUNG DER ANKUNFTSRICHTUNG VON KOMPRESSIONSWELLEN
