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
ANORDNING VED BERG- ELLER JORDBORINGSAGGREGAT FOR ROTERENDE BORING.
摘要
申请公布号
NO158894(B)
申请公布日期
1988.08.01
申请号
NO19820001752
申请日期
1982.05.26
申请人
CRAELIUS AB
发明人
LIDSTRAND, ESKIL
分类号
E21B19/08;E21B19/084;E21B19/086;E21B19/20;(IPC1-7):E21B19/16;E21C5/10
主分类号
E21B19/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TRIAZOLIUM AND IMIDAZOLIUM SALTS AND USES THEREOF
TREATMENT OF DIARRHOEA
GAMUT MAPPING USING HUE-PRESERVING COLOR SPACE
VEHICULAR BRAKE SYSTEM OPERABLE IN DUAL MODES
Lacrosse helmet cover
POLYMER MATERIAL COMPRISING A POLYMER AND SILVER NANOPARTICLES DISPERSED HEREIN
Method for k-Space Reconstruction in Magnetic Resonance Inverse Imaging
EXTENSIBLY RETRACTABLE SUNVISOR EQUIPMENT
METHOD AND SYSTEM FOR SEARCHING DOCUMENTS
LIQUID HIGH-FAT PROTEIN COMPOSITION
YO-YO HAVING A MODIFIABLE STRING GAP
SUB VOLT FLASH MEMORY SYSTEM
Method for Compensating a Frequency Characteristic of an Arbitrary Waveform Generator
MULTI-BAND ANTENNA
DOG WASTE SCOOPER CUP AND ASSOCIATED METHOD
Carrier Mold
RETURN MACHINE FOR SPHERICAL GAMEBALLS AND TRANSPORT APPARATUS INCORPORATING THE SAME
HIGH DENSITY FLEXIBLE FOLDABLE INTERCONNECT
ELECTROMECHANICAL BRAKE FORCE BOOSTER
ROOFING GLOVE