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 appareils téléphoniques
摘要
申请公布号
FR922679(A)
申请公布日期
1947.06.16
申请号
FRD922679
申请日期
1946.02.22
申请人
发明人
COU:ARD ANDRE-FELIX-EMILE
分类号
H04M1/05
主分类号
H04M1/05
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ELECTROSTATIC HOLDING TYPE WAFER SUSCEPTOR
CERAMIC DECORATIVE PLATE HAVING PRINTED DECORATIVE LAYER AND PROCESS OF WORKING THE SAME DECORATIVE PLATE INTO CURVED SURFACE
AIR BAG DEVICE
CASING TUBE SPACER FOR METHOD OF PROPULSIVE CONSTRUCTION AND CASING TUBE FOR THE METHOD
ELECTRONIC FLOAT SWITCH
MODEL SYNTHESIZATION TYPE DRIFT ANALYZING SYSTEM
MAGNETIC RECORDING CARRIER
GRAPHIC FORM PROCESSING SYSTEM
PLASTIC FOAM MOLDING WITH SKIN AND MANUFACTURE THEREOF
SECOND HARMONIC PRODUCING LASER
INSTRUMENT AND METHOD OF MEASURING ELECTROMAGNETIC RADIATION
EXPANSION JOINT EXECUTION METHOD FOR BRIDGE JOINT
PHOTOSENSITIVE RESIN COMPOSITION FOR DEEP UV LIGHT
ALIGNING METHOD
IMAGE FORMATION
AUTOMATIC FOCUS ADJUSTING DEVICE
AUTOMATIC FOCUS DEVICE
ADHESIVE MATERIAL TRANSFER METHOD AND IMAGE FORMING METHOD AND DEVICE USING THE SAME TRANSFER METHOD
SYSTEM FOR CORRECTING SYSTEMATIC ERROR IN OVER-SAMPLING TYPE ANALOG/DIGITAL CONVERTER
METHOD AND DEVICE FOR SIGNAL PROCESSING FOR ACTIVE SONAR
