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
Perfectionnements aux systèmes téléphoniques
摘要
申请公布号
FR909139(A)
申请公布日期
1946.04.30
申请号
FRD909139
申请日期
1943.03.22
申请人
COMPAGNIE GENERALE DE CONSTRUCTIONS TELEPHONIQUES
发明人
分类号
H04M15/34
主分类号
H04M15/34
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method for pre-tensioning pre-stressed steel rods
PROTECTIVE RAIL SUPPORT
SESSION UPDATING METHOD FOR AUTHENTICATION, AUTHORIZATION AND ACCOUNTING AND EQUIPMENT AND SYSTEM THEREOF
Hollow fibre connection
Motor drive apparatus
Printing stencil positioning arrangement for a screen printing unit
Uplink supplemental nodes transmission assistance in a wireless communications network
Dual-bearing reel drag sound producing device
BINDING DEVICE
CRYSTALLINE INDAZOLE-DERIVED CHEMOTHEREPEUTIC
Leucine-based motif and clostridial neurotoxins
KINASE INHIBITORS, COMPOSITIONS THEREOF, AND METHODS OF USE THEREWITH
Motor-driven compressor
MEMORY SYSTEM AND METHOD WITH SERIAL AND PARALLEL MODES
ANTI-EXTRACTION SAFETY DEVICE FOR A GUIDANCE SET COMPRISING TWO INCLINED ROLLERS ROLLING ON A RAIL
Method for handling call receiving and an electronic device thereof
FILTER-VENTILATING UNIT WITH GRAPHIC LCD DISPLAY
Rotary foam pump
VIDEO ENCODING METHOD WITH INTRA PREDICTION USING CHECKING PROCESS FOR UNIFIED REFERENCE POSSIBILITY, VIDEO DECODING METHOD AND DEVICE THEREOF.
TOP SUBMERGED INJECTING LANCES.
