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
IN HOLE HAMMER
摘要
申请公布号
JPH11294057(A)
申请公布日期
1999.10.26
申请号
JP19980063376
申请日期
1998.03.13
申请人
TERRA AG FUER TIEFBAUTECHNIK
发明人
DIETMAR IENE
分类号
E21B10/36;E21B4/14;(IPC1-7):E21B10/36
主分类号
E21B10/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
REISSVERSCHLUSSKETTE.
AUSHAENGBARES TUERSCHARNIER
Zum Verringern von Stoerungen durch Sekundaerelektronenemission dienende Beschichtung fuer einen Hochfrequenzleiter und Verfahren zum Herstellen einer solchen Beschichtung
DRUCKWANDLERANORDNUNG, INSBESONDERE FUER INDUSTRIEROBOTER
Method of improving thermally sprayed-on alpha -Al2O3 layers
Method and apparatus for controlling mite infestation of bee colonies
Method for the partial metal coating of plug connector contact pins, and a screen for carrying out the method
Process and process chamber for the directional solidification and quenching of molten metal samples
Electrical switching apparatus with locking device
CONDENSATION ELIMINATOR
COMBINED MOTOR AND ALTERNATOR
AIRCRAFT VISUAL APPROACH SLOPE INDICATOR
KEY SECURITY STORE
BOOSTER
METHOD AND DEVICE TO INCREASE THE BIOLOGICAL VALUE OF SEEDS PARTICULARLY FOR AGRICULTURE
INCREASED YIELD BLOOD COMPONENT COLLECTION SYSTEMS
FERROUS STRAND HOT-DIP COMPOSITION
SELF UNDERCUTTING CONCRETE ANCHOR
CRIMPING TOOL IMPROVEMENTS
UNDERPANTS FOR MEN
