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
Widerstandsthermometer fuer Temperaturmessungen im Bohrloch
摘要
申请公布号
DE724897(C)
申请公布日期
1942.09.09
申请号
DE1939M145562D
申请日期
1939.07.15
申请人
DR. OSCAR MARTIENSSEN;GESELLSCHAFT FUER NAUTISCHE UND TIEFBOHRTECHNISCHE INSTRUMENTE M.B.H.
发明人
JANSSEN DR. HERMANNN;MARTIENSSEN DR. OSCAR
分类号
E21B47/06
主分类号
E21B47/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
WAVEGUIDE GRATING-BASED WAVELENGTH SELECTIVE SWITCH ACTUATED BY MICRO-ELECTROMECHANICAL SYSTEM
ETCHING METHOD FOR ALUMINUM-MOLYBDENUM LAMINATE FILM
DISC DRIVE
AUTONOMOUS MANOEURING FOR SPINNING SPACECRAFT
METHOD FOR FORMULATING A GLUCOSE OXIDASE ENZYME WITH A DESIRED PROPERTY OR PROPERTIES AND A GLUCOSE OXIDASE ENZYME WITH THE DESIRED PROPERTY
AN APPARATUS AND METHOD FOR DISPLAYING VISUAL INFORMATION ON A MOVING PICTURE
SECURITY MAILING SYSTEM
A METHOD AND A SYSTEM FOR LICENSING DIGITAL RESOURCES AND SERVICES
PROGRAM RECORDING/REPRODUCTION A9PPARATUS
BLOCK PUNCTURING FOR TURBO CODE BASED INCREMENTAL REDUNDANCY
DEVICE FOR ILLUMINATING A GENERALLY FLAT SURFACE
SOLID STATE CONTINUOUS SEALED CLEAN ROOM LIGHT FIXTURE
METHOD OF DISPLAYING POSITION OF AIRCRAFT IN DISPLAY DEVICE FOR AIR TRAFFIC CONTROL
SCANNER MODULE COMPRISING A LENS DEVICE, AN OPTICAL SENSOR AND AN ADOPTION DEVICE FOR ADOPTING THE LENS DEVICE BETWEEN TWO WORKING MODES
PROCESS TO REDUCE THE TEMPERATURE OF A HYDROGEN AND CARBON MONOXIDE CONTAINING GAS AND HEAT EXCHANGER FOR USE IN SAID PROCESS
LIGHTING APPLIANCE
SEAMLESS CONTROL OF SPRING STIFFNESS IN A LIQUID SPRING SYSTEM
HINGE DEVICE AND FOLDABLE CELL PHONE USING THE HINGE
COMPRESSOR PROTECTION MODULE AND SYSTEM AND METHOD INCORPORATING SAME
TENSIONER
