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
PERFEZIONAMENTO NEI SISTEMI DI REGISTRAZIONE E RIPRODUZIONE DI COMUNICAZIONE IN PARTICOLARE CONVERSAZIONI TELEFONICHE
摘要
申请公布号
IT1041039(B)
申请公布日期
1980.01.10
申请号
IT19750050680
申请日期
1975.07.25
申请人
GIOVENCO P
发明人
分类号
H04M;(IPC1-7):H04M/
主分类号
H04M
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ALLOY RESISTANT TO CORROSION
CONTINUOUS CASTING MACHINE FOR METALS, ESPECIALLY A MULTI-STRAND CASTING MACHINE
TELEPHONE SET WITH SPEECH AMPLIFIERS
FLUID CONTAINER WITH VENTING MEANS
DEVICE FOR THE DETERMINATION OF VIBRATIONS IN REACTOR VESSEL INSTALLATIONS
OPTICAL SYSTEM DRIVE DEVICE FOR IMAGE FORMATION APPARATUS
POWDERED CLEANING COMPOSITIONS
PRESSURE CHANGE OPERATION ONCE-THROUGH BOILER
METHOD AND APPARATUS FOR PRODUCING THICK AND THIN YARN
METHOD OF PREVENTING OVERFLOW OF AGITATOR IN AUTOMATIC MANUFACTURING PLANT FOR CEMENT MILK
2-STAGE OPERATION THERMOSWITCH
DISCHARGE LAMP OPERATING CIRCUIT
BEAM FOR SHUTTERINGS
BURNER FOR THE COMBUSTION OF DUST-LIKE FUELS
VERTICAL FLIGHT PATH STEERING SYSTEM FOR AIRCRAFT
APPARATUS FOR MEASUREMENT OF BODY SUBSTANCES AND ENZYME IMPLANTS FOR USE THEREIN
METHOD AND DEVICE FOR OPTICAL ANALOGUE TO DIGITAL CONVERSION
COMPOSITE THERMOSTAT METAL
ANGULAR RATE SENSOR WITH INTEGRATED IMPULSE JET PUMP ASSEMBLY
FIRE-PROTECTIVE ENVELOPE
