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
Dispositif de commande pour appareil de forage en profondeur
摘要
申请公布号
FR61328(E)
申请公布日期
1955.04.25
申请号
FRD61328
申请日期
1951.02.02
申请人
HANIEL & LUEG G.M.B.H.
发明人
分类号
E21B3/02
主分类号
E21B3/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Ice cube tray
Unit containing sorbent material
Drive connection between linear actuator and rotatable drive shaft of reversible motor
Saponified ethylene-vinyl acetate copolymers improved in behavior in the molten state
Synthetic resin compositions to be added to cement, an aqueous paint composition containing said compositions and a method for coating said paint composition
Pressure/temperature probe
Transportable power supply substation
Stackable armchair
Use of selected catalyzed hydrazine compositions to reduce hexavalent chromium [Cr(VI)]
Image bit structuring apparatus and method
Recessed lighting system
Apparatus for clearing faults on untransposed transmission lines using single phase switching
Tape end detection apparatus
Large scale display panel apparatus
Calculator for cross summing a plurality of operands
Motor control system
Blended lamp
Kiln temperature control device
Process for the preparation of 1-amino-cyclopropane-carboxylic acid compounds
Thermoplastic polyurethane resin having isocyanate end groups and containing ethylenic side groups