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
Means and method of secret transmission of signals
摘要
申请公布号
US1809070(A)
申请公布日期
1931.06.09
申请号
US19270202835
申请日期
1927.07.01
申请人
GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
SCHAPIRA CARL
分类号
H04K1/06
主分类号
H04K1/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD AND DEVICE FOR PRODUCING GLASS BODIES
DC/DC BRIDGE FOR CONTROLLING A DIRECT-CURRENT LOAD
Ski boot
Skin care device
Selective measurement of a directional component of the flow velocity using a cup anemometer
Adjustment and clamping device for stanchions of a scaffold console
POLYMER TREATMENT FOR SEPARATING VOLATILE MATERIAL
Damper with elastic guide- / damping unit
A brush seal element
METHOD FOR THE TREATMENT OF INCONTINENCE
Magnetic stimulation device with litz wire coil
METHOD AND APPARATUS FOR CONVERTING COLOUR-DESCRIBING INPUT DATA, WHICH ARE SUITABLE FOR GRAPHICAL OUTPUT USING AN OUTPUT DEVICE, INTO COLOUR-DESCRIBING ADAPTED OUTPUT DATA
AMMONIA PRECURSOR CONVERSION REACTOR
METHOD FOR FABRICATING LAST LEVEL COPPER-TO-C4 CONNECTION WITH INTERFACIAL CAP STRUCTURE
INTERVERTEBRAL IMPLANT
BICYCLIC HETEROAROMATIC COMPOUNDS AS KINASE INHIBITORS
Elevator with two cars arranged one above the other in the same hoistway
TELEFONO MOVIL RELACIONADO CON UN SISTEMA DE COMUNICACION INDIRECTA Y METODO
PIEZOELECTRIC CERAMIC COMPOSITION
METHOD AND APPARATUS FOR NAVIGATION SYSTEMS
