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
Gratteur de terrain
摘要
申请公布号
FR1091120(A)
申请公布日期
1955.04.07
申请号
FRD1091120
申请日期
1954.01.04
申请人
S. N. MAREP
发明人
分类号
E21B37/02
主分类号
E21B37/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Signal processing device, signal processing method, delta-sigma modulation type fractional division PLL frequency synthesizer, radio communication device, delta-sigma modulation type D/A converter
Thermal solution for a mezzanine card
Extended terminal ceramic SMD
Portable apparatus for carrying a stroller
Phlox plant named 'USPHL03'
Application-specific method and apparatus for assessing similarity between two data objects
Method and apparatus for creation and maintenance of database structure
Collaborative context information management system
Construction structures and manufacturing processes for probe card assemblies and packages having wafer level springs
Management method and system for a parking lot
Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
Epoxy resin compositions, solid state devices encapsulated therewith and method
Laser imaged printing plates
Photothermographic material
Electrochemical method for treating wastewater
Method and apparatus for percutaneously securing a bone screw and a bone plate to a bone of a patient
Device for fluid-tight connection of a fitting to an internal combustion engine fuel injector
Multi-layered pizza pie box
Wick having liquid superheat tolerance and being resistant to back-conduction, evaporator employing a liquid superheat tolerant wick, and loop heat pipe incorporating same
Wood-turning lathe
