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
VERTICAL HOLE-BORING MACHINE
摘要
申请公布号
EP0144425(B1)
申请公布日期
1989.10.11
申请号
EP19830901623
申请日期
1983.05.23
申请人
HITACHI CONSTRUCTION MACHINERY CO., LTD.
发明人
WADA, MASAMI 1828-13-306, OAZA NIIHARI;AJIRO, SHUICHI
分类号
E21B7/02;E21B15/02;E21B19/20
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
Digital camera system
High speed photo-printing apparatus
Image pickup device, image pickup device program and image pickup method
Implementation of a mitochondrial mutator
Scalable computation of data
Method for determining vehicle velocity
Implantable orthopaedic device and method for making the same
Electromagnetic treatment of tissues and cells
Ultrasonographic apparatus, ultrasonographic data processing method, and ultrasonographic data processing program
Gaming machine
BTL-II nucleic acids, proteins, and antibodies
Selection of catalytic nucleic acids targeted to infectious agents
Ltb4 as vaccine adjuvant
Methods of improving health-related quality of life in individuals with systemic lupus erythematosus
Call and data correspondence in a call-in center employing virtual restructuring for computer telephony integrated functionality
Hand device for working robot
Universal box top lid
Multi-mode renewable power converter system
Fuel pressure relief valve
Method and apparatus for a hybrid network device for performing in a virtual private network and a wireless local area network
