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
PACKING DEVICE FOR CONSTRUCTION OF WELLHEAD
摘要
申请公布号
JPS5219101(A)
申请公布日期
1977.02.14
申请号
JP19760090424
申请日期
1976.07.30
申请人
DABURIYUU KEI EMU UERUHETSUDO SHISUTEMUZU INC
发明人
JIYOO JII SHIYANBURESU;JIYON DABURIYUU FURIIMAN
分类号
E21B33/03;E21B33/00;E21B33/04
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
GARNITURE DE FRICTION A ENROBAGE DE RESINE
PROCESS AND CIRCUIT ARRANGEMENT FOR OPERATION OF AT LEAST ONE DISCHARGE LAMP
Paper stacking machine
ARC TRANSFER CIRCUIT
Hydraulic circuit system for actuating hydraulic jack
Asbestos treatment to produce inert vitreous product
A welding wire for the electric arc welding processes and an electric arc welding process
Production of terephthalic acid
Security seal and lock
PLASMA JET ENGINE WITH CLOSED-CIRCUIT ELECTRON DRIFT
PERSONAL IDENTITY CONTROL METHOD AND SYSTEM
VIDEO SIGNAL REPRODUCER
STATUS CONTROL DEVICE FOR DIGITAL COMMUNICATION CHANNEL
RADIO TRANSMITTER EXCITER
ELECTRIC MACHINE WITH HORIZONTAL SHAFT
TRANSFORMER ( VARIANTS )
METHOD OF GEOPHYSICAL PROSPECTING
STEP MOTOR CONTROL METHOD
METHOD AND DEVICE FOR SPRAYING LIQUID
DEVICE FOR DRILLING BIT SCREWING ON/OFF
