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
SPEED CONTROLLER OF TURBO DRILL
摘要
申请公布号
JPS61207782(A)
申请公布日期
1986.09.16
申请号
JP19850049804
申请日期
1985.03.13
申请人
ISHIKAWAJIMA HARIMA HEAVY IND CO LTD
发明人
YAMAZAKI SHOJI;KATSUTA SUSUMU
分类号
E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Thruster catapult and rocket motors
Means for centrifugally clarifying water containing sewage sludges and the like
Apparatus for dispensing liquids
Reaction of metal carbonyls with 5-membered cyclic dienes and compounds produced thereby
Apparatus for loading and unloading railway cars
Electrical supply systems with means responsive to the output of said system
Telescope sight for top-ejecting firearms
Tape fed fuel cell
Knitting machine
Sulfoxidation process
Method for the continuous extrusion of unsintered polytetrafluoroethylene powder
Superconductor circuit assembly
Production of biaxially stretch oriented polypropylene film
Heat-sensitive sheet for thermographic copying
Heat exchangers
Ventilation system
Sanitary fluid receptacle
Boring machine
Operation control circuit arrangement for typewriters or the like
Inclined-piston dead-weight pressure gauge