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
ZENTRIEREINRICHTUNG FUER EINBAUGESTAENGE ZUM EINBRINGEN VON BRUNNENAUSBAUROHREN
摘要
申请公布号
DD150232(B1)
申请公布日期
1986.06.11
申请号
DD19800220679
申请日期
1980.04.24
申请人
VEB BRAUNKOHLENBOHRUNGEN UND SCHACHTBAU WELZOW,DD
发明人
CHRISTOPH,PETER,DD;MAI,WOLFGANG,DD;WUSK,DOROTHEA,DD
分类号
E21B23/00;(IPC1-7):E21B23/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CLEANING DEVICE FOR LIQUID CRYSTAL PANEL, AND MANUFACTURING METHOD FOR LIQUID CRYSTAL DEVICE
BLACK-AND-WHITE HEAT DEVELOPABLE PHOTOSENSITIVE MATERIAL AND IMAGE FORMING METHOD
ELECTROOPTIC APPARATUS, DRIVING METHOD AND ELECTRONIC EQUIPMENT
MANUFACTURING METHOD FOR ELECTRO-OPTICAL DEVICE, ELECTROOPTICAL DEVICE, AND ELECTRONIC EQUIPMENT
LENS DEVICE
DISPLAY DEVICE
IMAGE FORMING OPTICAL APPARATUS AND OPTICAL UNIT
REVERSIBLE IMAGE DISPLAY MEDIUM
PORTABLE WEATHERING TEST EQUIPMENT
QUANTITATIVE DETERMINATION METHOD BY CHROMATOGRAPHY OF TRACE CONSTITUENT, AND SAMPLING UNIT FOR SOLID PHASE MICRO EXTRACTION
MEASURING SPOON WITH LEVEL PLATE
RELATIVE HAND OPERATING TYPE CLOCK
METHOD AND APPARATUS FOR PREPARING CARBON 14 MEASUREMENT SAMPLE
MEASURING METHOD AND MANUFACTURING SYSTEM FOR ORGANIC MOLECULAR MEMBRANE
RADIATION IRRADIATION DETERMINING METHOD AND RADIATION IRRADIATION DETERMINING SYSTEM
FROST DAMAGE RESISTANCE EVALUATING METHOD OF CONCRETE SURFACE SECTION
DEVICE FOR MEASURING FRICTIONAL CHARACTERISTIC, AND TIRE TURNED TO IT
ROTATION ANGLE SENSITIVE DEVICE OF ROTATING BODY
TESTING DEVICE
APPARATUS AND METHOD FOR MEASURING PIPE THICKNESS
