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
Bridging plug
摘要
申请公布号
US2076307(A)
申请公布日期
1937.04.06
申请号
US19350017466
申请日期
1935.04.20
申请人
THE TECHNICRAFT ENGINEERING CORP.
发明人
WELLS WALTER T.;BARNES CHARLES H.;SPENCER LLOYD
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
RADIO DATA COLLECTING SYSTEM
Anordning ved tyverisikring av fritidsbÕter
Terapeutisk aktive lignanforbindelser
Fremgangsmåte og redskap for graving i sjöbunnen
MILBEMYCIN 13-SUBSTITUTED DERIVATIVES, ACARICIDAL AND INSECTICIDAL COMPOSITION, AND METHOD OF PROTECTION OF PLANTS FROM DAMAGE BY PARASITES
ANGLE-DATA TRANSMITTER
METHOD OF TANK CLEANING OF OIL DEPOSITS AND INSTALLATION FOR ITS REALIZATION
DRIVE FOR HANDRAILS OF ESCALATORS, MOVING STAIRS OR SIMILAR TRANSPORTERS FOR CARRYING PASSENGERS
METHOD FOR PRODUCING INSULATING LAYER
NOISE CANCELLER OF DIGITAL IMAGE SIGNAL
AUTO-FOCUSING METHOD FOR CAMCORDER
MACARONI PRODUCT DRYING CABINET
SEMICONDUCTOR SILICON STRUCTURE
METHOD OF DISCHARGE OF GRANULAR OR PULVERIZED DEPOSITS FROM GAS-CLEANING PLANT AND DEVICE FOR ITS REALIZATION
METHOD OF REGENERATING ACTIVATED CARBONS
Monoklonale antistoffer fra mus
MANUFACTURING METHOD OF PICTURE TUBE
Anvendelsen af et middel til tyrosinaseinhibering
METHOD AND DEVICE FOR ELECTRICAL ENERGY STORAGE
OXOPROPANT-NITRILE DERIVATIVES OF CONDENSED PYRAZOLE OF PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF HAVING IMMUNOSTIMULATING ACTIVITY, AND PHARMACEUTICAL COMPOSITION
