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
Variable resistance unit
摘要
申请公布号
US2473048(A)
申请公布日期
1949.06.14
申请号
US19450623643
申请日期
1945.10.22
申请人
NATIONAL TECHNICAL LABORATORIES
发明人
BECKMAN ARNOLD O.
分类号
H01C10/24
主分类号
H01C10/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CONVERSION APPARATUS OF PLASTIC FILM WASTE INTO OIL
RECORDING LIQUID AND RECORDING METHOD USING SAME
SEMICONDUCTOR WAFER AND SEGMENTATION THEREOF
HEAT SINK FOR SEMICONDUCTOR DEVICE
CARBONIC ACID GAS LASER APPARATUS
REPLACEMENT TYPE CONVERGING OPTICAL TRANSMITTER ARRAY DEVICE
MFB SPEAKER UNIT
COLOR CHANGEABLE DEVELOPING DEVICE
IMAGE FORMING DEVICE
OIL-SOLUBLE DISPERSANT USEFUL FOR OILY COMPOSITION
VEHICLE STEERING SYSTEM CONTROL DEVICE
LEAD FRAME
ELECTROPHOTOGRAPHIC AMORPHOUS SILICON PHOTOSENSITIVE BODY
ELECTROPHOTOGRAPHIC SENSITIVE BODY
COATING METHOD
STIRRING METHOD AND APPARATUS THEREFOR
PRODUCTION OF ELECTROSTATIC RECORDING BODY
LUMINAIRE FOR BICYCLE
DISPLAY FOR INPUT/OUTPUT APPARATUS
MULTICOMPONENT DETERGENT COMPOSITION AND ITS USE
