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
CIRCUIT ARRANGEMENT FOR A TRUNK LINE IN COMMUNICATION EXCHANGES, IN PARTICULAR PRIVATE TELEPHONE BRANCH EXCHANGES
摘要
申请公布号
EP0327686(A3)
申请公布日期
1990.04.11
申请号
EP19880119059
申请日期
1988.11.17
申请人
TELENORMA TELEFONBAU UND NORMALZEIT GMBH
发明人
LAUER, WALTER, DIPL.-ING.;HUTH, STEPHAN, DIPL.-ING.;SOPP, OTTMAR, DIPL.-ING.
分类号
H04M7/00;H04M7/14;(IPC1-7):H04M7/00;H04Q3/62
主分类号
H04M7/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Banc d'école réglable.
Radreifendecke.
Method of producing artificial sausage casings
Improvements in or relating to inking means for printing presses
Method for making aluminium sheets which cause only little ear formation when workedto hollow bodies
Improvements in or relating to straight bar knitting machines
Gaseous discharge tube circuits
A machine for the manufacture of knitted articles with reinforced parts
Improvements in and relating to explosive rivets
Improvements relating to the production of sized paper
Improvements in or relating to stereoscopic viewing apparatus
Bottom closure arrangements for vertical chambers in coke ovens
Improvements in or relating to gravimeters
Improvements relating to deep boring rods
Improvements in the cooling systems of gas-turbines
Improvements in or relating to pipe wrenches
Improvements in or relating to loading or unloading mechanism
Hemmschuhbremse fuer Schienenfahrzeuge
Verfahren zur Inbetriebnahme von Eisenkatalysatoren fuer die Kohlenoxydhydrierung
Verfahren zur Herstellung poroeser Massen oder poroeser Formkoerper aus Polymerisaten
