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
Sound powered telephones
摘要
申请公布号
US3012107(A)
申请公布日期
1961.12.05
申请号
US19580720708
申请日期
1958.03.11
申请人
SOCIETE D'ELECTRONIQUE ET D'AUTOMATISME
发明人
HANLET JACQUES MARIE NOEL
分类号
H04R9/02;H04R9/04;H04R9/06
主分类号
H04R9/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Container system & oscillating toy
FLUOROPOLYMER FILM STRUCTURES AND LAMINATES PRODUCED THEREFROM
Ink-jet recording material containing a thermoplastic copolymer having polyether groups
EPOXIDATION PROCESS USING IMPROVED HETEROGENEOUS CATALYST COMPOSITION
Immunosuppressive cyclolignan derivatives
地球仪
Cosmetic sunscreening compositions
POURING SPOUT
Test appliance for protection relays linked to amagnetic current sensors
ANTICORROSIVE PLASTIC PACKAGING MATERIALS
Probe station with integrated environment control enclosure
A device for measuring compressive forces
Fixing control device
METHOD AND APPARATUS FOR REDUCING BREATHING ARTIFACTS IN COMPRESSED VIDEO
MOBILE COMMUNICATION SYSTEM, TRANSMISSION STATION, RECEPTION STATION, RELAY STATION, COMMUNICATION PATH DECIDING METHOD, AND COMMUNICATION PATH DECIDING PROGRAM
METHOD FOR PRODUCING SUBSTITUTED NITRO BENZOIC ACIDS BY OXIDATION OF CORRESPONDING NITRO TOLUENES, NITRO BENZYL ALCOHOLS, ESTERS AND/OR ETHERS
INPUT/OUTPUT CONNECTOR WITH GROUNDED SCREENED CABLES AND METHOD FOR ASSEMBLING SAID CONNECTOR
Self-holding type solenoid-operated valve
EFFICIENT PARALLEL-STAGE POWER AMPLIFIER
HIGH PERFORMANCE FLUID CONTROL VALVE
