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
Improvements in or relating to electro-mechanical transducers
摘要
申请公布号
GB657624(A)
申请公布日期
1951.09.26
申请号
GB19480006705
申请日期
1948.03.03
申请人
THE BRUSH DEVELOPMENT COMPANY
发明人
分类号
H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
N-HYDROCARBYLOXY HINDERED AMINE LIGHT STABILIZERS SUBSTITUTED WITH PHOSPHORUS MOIETIES
TRANSFER METHOD AND ARRANGEMENT FOR A FILM CASSETTE UNIT IN A PANORAMIC X-RAY APPARATUS
Shutter bracket with dual vertical/horizontal adjustment using star-shaped holes with facets and/or a cross slide
Portable data acquisition/transmission apparatus
Armature in a generator
Method for making graphic artwork by applying, to a black and white negative, transparent papers in complementary colours to those of the final artwork
Automatic guiding device for self-propelled vehicle
SUPPORT DE ROUE POUR VEHICULES
Menetelmä valmistaa metallikiinnitin
ANORDNING FOER LOESGOERANDE AV MANTELN I EN HAEFTAPPARAT.
FOERFARANDE FOER BEHANDLING AV TALSAOPA.
SUBSTITUERADE AZOLER, DERAS FRAMSTAELLNING, FORMULERING OCH ANVAENDNING SOM FUNGICIDER.
GRAVITATIONSMASKIN.
FLACON POUR LA DETECTION RAPIDE DES HEMOCULTURES POSITIVES
APPAREIL ET PROCEDE D'ELIMINATION D'UN OXYDE DE SOUFRE DES GAZ DE COMBUSTION
PLAQUE DE LIAISON PERMETTANT DE POSITIONNER ET DE MAINTENIR UN CONTENEUR SUR UNE PALETTE SANS OUTILLAGE OU ELEMENT AUTRE QUE LE CONTENEUR
OPTICAL CABLE
PROCESS FOR THE PREPARATION OF O-CARBOXYPYRIDYL-AND 0-CARBOXYQUINOLYLIMIDAZOLINES
DISPLAY SYSTEM FOR FISH FINDER
ANALYSEUR DE SWING DE GOLF
