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
Bohrmeissel
摘要
申请公布号
DE69024691(T2)
申请公布日期
1996.05.30
申请号
DE19906024691T
申请日期
1990.04.04
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LTD., JOHANNESBURG, TRANSVAAL, ZA
发明人
STEWART, AULETTE, RANDBURG, TRANSVAAL, ZA;CLARK, IAN ERIC, CAMBERLEY, SURREY, ZA
分类号
E21B10/02;B23B51/04;B24D7/06;B24D7/18;B28D1/04;B28D1/14;E21B10/46;E21B10/48;E21B10/56;E21B10/567;(IPC1-7):E21B10/48
主分类号
E21B10/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Roof system positionable over an existing roof structure and method for installing same
Personal development system
Non-invasive destruction of kidney stones
Gel-form topical antibiotic compositions
Process for the preparation of N-tetrathiodimorpholine
Precursors of benzo- and thieno-fused heterocyclic anti-ulcer agents
Imidazo-heterocyclic compounds and pharmaceutical composition comprising the same
Agglomerated cellulosic particles
Cutting device for cutting honeycomb light constructions
FRONT AND REAR STEERING GEAR FOR MOTORCYCLE
CARRIER BRAKING MECHANISM
HOLLOW YARN MEMBRANE TYPE ARTIFICIAL LUNG
ELECTRONIC HEMOMANOMETER
SUCTION SYSTEM FOR DIESEL ELECTRIC LOCOMOTIVE
FERTILIZING GROOVE CUTTER WITH MIXER
INDUCTION TYPE PROXIMITY SWITCH
OVERVOLTAGE PROTECTION CIRCUIT
INTERPHONE APPARATUS
Automatic focusing device for a video camera
MOS rear end processing