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
FOERFARANDE OCH ANORDNING FOER RIKTANDE AV BORRMASKINS MATARBALK
摘要
申请公布号
FI88426(C)
申请公布日期
1993.05.10
申请号
FI19900004937
申请日期
1990.10.08
申请人
OY TAMPELLA AB,
发明人
RINNEMAA,HEIKKI
分类号
E21B7/02;E21B15/00;E21B15/04;E21B19/08;(IPC1-7):E21C11/00
主分类号
E21B7/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ELECTRO-OPTIC MODULE AND ELECTRONIC EQUIPMENT
IMAGE FORMING APPARATUS, CONTROL METHOD OF IMAGE FORMING APPARATUS, AND PROGRAM
FREQUENCY TRANSITION MEASURING DEVICE AND FREQUENCY TRANSITION MEASURING METHOD
APPLICATION DEVICE, CHARGING MEMBER, AND IMAGE FORMING APPARATUS
METHOD FOR DRIVING REFLECTIVE DISPLAY DEVICE
IMAGE FORMING APPARATUS
TONER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING THE SAME
DISTANCE MEASUREMENT DEVICE, MOBILE ENTITY, AND DISTANCE MEASUREMENT METHOD
METHOD AND DEVICE FOR DETECTING COMPOUND CONTAINED IN ILLEGAL HERB
DEVICE AND IMAGE FORMING APPARATUS
ZOOM LENS
MAGNETIC FORCE MEASUREMENT DEVICE
RANGE FINDER
ELECTRONIC APPARATUS, METHOD FOR ESTIMATING POSITION, AND PROGRAM
LASER LIGHT SOURCE, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS
ROLLING BEARING DEVICE
GRANULAR FILTRATION AGENT AND METHOD FOR MANUFACTURING THE SAME
CYLINDER TIP END PORTION STRUCTURE
RADIOSONDE AND ADJUSTING DEVICE OF RADIOSONDE
GAMMA CAMERA ADJUSTING DEVICE AND GAMMA CAMERA SYSTEM