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
DRILLING DEVICE FOR BLAST HOLES
摘要
申请公布号
BG50569(A1)
申请公布日期
1992.09.15
申请号
BG19870082120
申请日期
1987.12.08
申请人
SPETSIALNOE KONSTRUKTORSKO- TEKHNOLOGICHESKOE BJURO INSTITUTAGEOTEKHNICHESKOJ MEKHANIKI AN UKRAINSKOJ SSR
发明人
EMELJANENKO, VLADIMIR I.;CHUMANOV, NIKOLAJ S.;SAVITSKIJ, JURIJ P.;MAZUSOV, GRIGORIJ M.;LIPSKIJ, OLEG I.;GRITSENKO, VADIM V.
分类号
E21B19/08;E21B44/02;(IPC1-7):E21C5/14;E21C3/04
主分类号
E21B19/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Search method and apparatus
Knowledge-based flexible natural speech dialogue system
Determination of the age, identification and sealing of a product containing volatile components
Surgical instrument with collect locking and indexing system
Aromatic diamine polyurethane curatives with improved stability
Electronic control apparatus and memory apparatus for electronic control apparatus
Needle sheath for body/eyebrow tattoo machine
WRIST SUPPORT FOR BOWLERS
Game system
Portable radio communication device and an antenna arrangement for a portable radio communication device
Low temperature co-fired ceramic double balanced mixer
Controlling apparatus and method of mobile communication terminal using electrostatic detection
Expandable skin cleansing implement
PRESS-FIT FEED-THROUGH DEVICE
Low-temperature growth high-quality ultra-thin praseodymium gate dielectrics
Orthodontic brace with self-releasing appliances
Cooling grid for a bulk material cooling device
Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming method
Growth hormone transcription factor
Dry toner for electrostatic latent image developer, developer and image forming method