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
DEVICE FOR BLAST-HOLE DRILLING WITH FINE REFUSE SUCTION
摘要
申请公布号
SU870692(A1)
申请公布日期
1981.10.07
申请号
SU19691318687
申请日期
1969.04.04
申请人
SHUBNYJ ALEKSANDR ,SU
发明人
SHUBNYJ ALEKSANDR I,SU
分类号
E21B21/16;E21B3/00;E21B21/07;(IPC1-7):E21C1/02;E21C7/02
主分类号
E21B21/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LOCKING DEVICE FOR CABINET OR CUPBOARD DOORS
Klistrat fiberarkmaterial
Gap sealing system with automatic regulation
Valve control system for controlling closing and opening times of IC engine valves
Catamaran type demountable water craft
Crank gearbox with rest position
Noise blocking element for gap between goods vehicle cab and frame
Air-pipe socket locking device
Self-closing closure for tubes and bottles
Textile material clamp used in garment or upholstery prodn.
Device for variably controlling valves in IC engine
Feeding jet gun with finely divided powder
Hood arrangement for X-ray diagnostic equipment
Rail forming wall-support
Holder for refuse bags
DEVICE FOR CLOSING AN OPENING
TWO-STAGE DRIVEN LEVER DEVICE AND MACHINE APPARATUS EMPLOYING THE SAME
SYSTEM FOR PRODUCING LABELS FROM A WEB
Light energy generator and matter converter
Printer for composite strip material
