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 electrical wave filters
摘要
申请公布号
GB502722(A)
申请公布日期
1939.03.22
申请号
GB19380018334
申请日期
1937.09.22
申请人
EDWARD CECIL CORK;JOSEPH LADE PAWSEY
发明人
分类号
H03H7/46
主分类号
H03H7/46
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ANTIBODIES TO NATURAL KILLER CELL AND NON-SPECIFIC CYTOTOXIC CELL RECEPTOR.
IMPROVEMENTS IN OR RELATING TO FABRIC PRODUCTION.
cDNA ENCODING PEPTIDYL-GLYCINE ALPHA-AMIDATING MONOOXYGENASE (PAM).
PHOTORECEPTOR
DECONTAMINATION METHOD.
HYDROCARBON EMULSION AND USE THEREOF.
IMPROVED DIFFERENTIAL PRESSURE CAPILLARY VISCOMETER.
Pyridine-substituted esters of acrylic acid.
ONPANYORISADOSURUDENSHIDEBAISU
Parted storage tank.
Aircraft display instrument.
Pressure controller in a hydraulic system.
Flash-free molding of I.C. engine passages.
BEVERAGE INFUSION DEVICE AND METHOD
CALL ADMISSION CONTROL METHOD AND CELL FLOW MONITORING METHOD IN THE SAME METHOD
SPEECH RECOGNITION SYSTEM
A COMPOSITE STRUCTURAL COMPONENT
ARRANGEMENT IN A CABINET
SUSTAINED RELEASE FORMULATIONS OF WATER SOLUBLE PEPTIDES
METHOD FOR PRODUCING ELECTRODES
