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
DOCUMENT RETRIEVING SYSTEM
摘要
申请公布号
JPH01125623(A)
申请公布日期
1989.05.18
申请号
JP19870283358
申请日期
1987.11.11
申请人
HITACHI LTD;HITACHI ENG CO LTD
发明人
MIYAGI SUSUMU
分类号
G06F17/21;G06F17/30
主分类号
G06F17/21
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Construction of fish-meal plants
Radioelectric insulating support
Attachment for barbers' chairs
Chain tool
Signaling system and apparatus therefor
Valve and by-pass
Angle-cock device
Valvular apparatus
Method for use in the manufacture of boots and shoes
Window screen
Handle for instruments for making examinations
Air vent for radiators
Screen
Reamer
Camera-level indicator
Car ventilator
Class signaling for telephone systems
Tip for laces or the like
Method of and apparatus for determining the direction of the dip and strike of the earth's substrata
Track signaling system for railways and the like
