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
Perfectionnement aux têtes de haveuse ou tarière
摘要
申请公布号
FR1114348(A)
申请公布日期
1956.04.11
申请号
FRD1114348
申请日期
1954.08.17
申请人
JOY-SULLIVAN LIMITED
发明人
分类号
E21C25/58
主分类号
E21C25/58
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Wässrige Polymerdispersionen für Adhäsive
Strahlungsbilderfassungsvorrichtung
Seitenkanalgebläse für eine Verbrennungskraftmaschine
Hausgerätewandung und Verfahren zur Herstellung
PROMOTERS FOR EXPRESSING GENES IN A FUNGAL CELL
DRIVE SPROCKET FOR A TRACKED VEHICLE
NUTRITIONAL COMPOSITION HAVING LIPOPHILIC COMPOUNDS WITH IMPROVED SOLUBILITY AND BIOAVAILABILITY
METHOD FOR SELECTING AN ACCESS NETWORK BASED ON CARRIER AGGREGATION INFORMATION
VERTICALLY INTEGRATED SYSTEMS
SYSTEMS AND METHODS FOR A LOCATION SERVER TO EFFICIENTLY OBTAIN LOCATION INFORMATION FROM A LOCATION MANAGEMENT ENTITY
A BLOOD ANALYSIS METER
RADIATOR ASSEMBLY FOR A VEHICLE
SYSTEM FOR NITRIC OXIDE INHALATION
IMPROVED ELECTRICAL CONTACT CONDUCTIVITY VIA SURFACE DOPING
INVERTED SOLAR CELL AND PROCESS FOR PRODUCING THE SAME
BEARING SHELL
CUTTING APPARATUS AND SPLICING APPARATUS
DISCRETE PEG BASED DYES
VARIABLE DISPLACEMENT PUMP WITH ELECTRIC CONTROL OF DISPLACEMENT REGULATION AND METHOD OF REGULATING PUMP DISPLACEMENT
HELIX FOR A THREAD INSERT