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 TRAPPING DUST AT BLAST HOLE DRILLING
摘要
申请公布号
SU590443(A2)
申请公布日期
1978.01.30
申请号
SU19762348485
申请日期
1976.04.14
申请人
VGNII ASBESTOVOJ PROMYSHLENNOSTI
发明人
USHAKOV VALENTIN N,SU;MIKHNEVICH KONSTANTIN P,SU;CHERNOSKUTOV ALEKSANDR ,SU
分类号
E21B21/015;(IPC1-7):E21C7/02
主分类号
E21B21/015
代理机构
代理人
主权项
地址
您可能感兴趣的专利
FILTH REMOVING DEVICE FOR BATHTUB
HYDRAULIC SYSTEM FOR TRACTOR
SHELL REMOVING BUCKET HAVING CUSHION EDGE
INSTALLATION STRUCTURE FOR MANHOLE COVER DEVICE
ROAD MARK PAINTING SYSTEM
COLORED PRODUCT HAVING PICTURE PATTERN
SPUN YARN WINDING SYSTEM
PRODUCTION OF PAPER
CUTTER HOLDER
COMBINED FILAMENT CONJUGATE YARN, ITS PRODUCTION AND WOVEN AND KNIT FABRIC
HELMET FOR RIDING
ELECTRODEPOSITION COATING METHOD FOR CONTAINER
PRODUCTION OF GALVANIZED STEEL SHEET EXCELLENT IN SPOT WELDABILITY
ELECTROFORMING METHOD OF NICKEL STAMPER FOR OPTICAL DISK
SPUTTERING DEVICE
INSULATING FLANGE FOR SPUTTERING DEVICE
VAPOR DEPOSITION APPARATUS
MATERIAL FOR VAPOR-DEPOSITING SILICON OXIDE AND VAPOR DEPOSITED FILM
COLORED GALVANNEALED STEEL SHEET
BALLAST TANK EXCELLENT IN DURABILITY