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
TELEPHONE EXCHANGE SYSTEM
摘要
申请公布号
CA866973(A)
申请公布日期
1971.03.23
申请号
CAD866973
申请日期
申请人
HITACHI, LTD.
发明人
EIROKU KONDO;CHIKAI LI
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
碘化汞单晶体的生长装置
医用配药筒
循环式测速清洗两用带
微生物液体连续培养接种的装置
短式机车锁
System for automatic generation of message parser.
Uniform interface for cryptographic services.
Method of joining cylinder bore liners to an engine block.
Hydraulic control apparatus for continuously variable transmission, having shift control valve whose gain is changed with vehicle speed.
Method of controlling gear changes in an automatic transmission.
Method of manufacturing integrated circuit and integrated circuit made thereby.
Thermoplastic resin composition.
Device incorporating microporous membrane for venting gases from seal assembly of a reactor coolant pump.
Process for adhering rubber on aluminium.
Pyridyloxypyrimidine derivatives, preparation process thereof, and herbicidal compositions containing the same as active ingredients.
LTB4 Synthesis inhibitors.
Non-linear optical material.
Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids and 5-heterocyclic 2-(2-imidazolin-2-yl) pyridines and methods for preparation thereof.
Shoe made of plastics and method of manufacturing this shoe.
Adjustable closure device particularly for ski boots.