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
INJECTION WELL WELLHEAD EQUIPMENT
摘要
申请公布号
SU692979(A1)
申请公布日期
1979.10.25
申请号
SU19762330516
申请日期
1976.02.20
申请人
PERMSKIJ POLT INSTITUT
发明人
MISHCHENKOV IVAN S,SU
分类号
E21B33/03;(IPC1-7):E21B33/03
主分类号
E21B33/03
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LEMON SAUCE
DRINK FILLED IN SEALED CONTAINER AND ITS PREPARATION
BOILING METHOD FOR LARGE AMOUNT OF BLENDED RICE
PRODUCTION OF BEAN-CURD REFUSE CAKE
PROPHENOL OXIDASE AND PHENOL OXIDASE DERIVED FROM SILKWORM
SUBMERGED PUMP
BALUSTRADE UNIT
OPERATION OF VEHICLE YAW RATE
NOISE ELECTRIC WAVE PREVENTING ELECTRODE AND MANUFACTURE THEREOF
EASILY TEARABLE FILM AND ITS PRODUCTION
MOLDING OF CONDUCTIVE SHEET
DRILL CHUCK
LIQUID SEALED-TYPE VIBRATION ISOLATOR
VISCOUS FLUID COUPLING DEVICE
AIR CONDITIONING DUCT FOR VEHICLE
MANUFACTURING TOOL FOR GROOVED SLEEVE BEARING AND MANUFACTURE OF GROOVED SLEEVE BEARING USING THE SAM
INDUCTION HEATING TYPE RICE COOKER
CHLORINATION OF DIFLUOROMETHYL METHYL ETHER
MOTH-PROOFING ANTIBACTERIAL TEXTILE STRUCTURE HAVING WASHING DURABILITY
POLYESTER FIBER