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
NATURAL CIRCULATION ACCELERATOR
摘要
申请公布号
JPH03253011(A)
申请公布日期
1991.11.12
申请号
JP19900049284
申请日期
1990.03.02
申请人
HITACHI LTD
发明人
YAMAZAKI HARUYUKI;SAKAMOTO TAKESHI;NAKATAKE RYOJI;UENO YOSHITO
分类号
H01F27/20
主分类号
H01F27/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Oil well casing perforator
Well-drilling turbines
Metal tubbing
Rotary ball valve having adjustable seats
Floating oil well drilling equipment
Inertia wound timepiece with magnetic coupling means
Device for controlling a firing pin
Plate shearing machines
Packing machines
Steering control for rocket
Lawn debris chopper
Control device for aircraft deicing apparatus
Rolling mill entry guide
Jet type apparatus for classifying, dewatering and recovering slack or other fine ore
Turbojet spraying device
Method of forming a selvage for hosiery
Magnetic speedometer
Phosphonothioates
Purification of triaryl phosphates
Apparatus and method for linear synchronous detection of digital data signals