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
RINGING SIGNAL SENDING-OUT CIRCUIT
摘要
申请公布号
GB8528073(D0)
申请公布日期
1985.12.18
申请号
GB19850028073
申请日期
1985.11.14
申请人
NITSUKO LTD;NIPPON TELEGRAPH & TELEPHONE CORPORATION
发明人
分类号
H04M3/06;H04M19/02;(IPC1-7):H04M19/02
主分类号
H04M3/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
High speed full adder
Floating point unit using combined multiply and ALU functions
Electronic calculator having matrix calculations
Method and apparatus for determining the diameter of rail vehicle wheels
Method and apparatus for determining the direction of motion in multiple exposure velocimetry
Token-passing local area network with improved throughput
Regulated transformer rectifier unit
Memory control system using a single access request for doubleword data transfers from both odd and even memory banks
Multiple slave video tape reproduction system
AERATION STIRRING APPARATUS
PACKET SWITCHBOARD
OIL PRESSURE CONTROL DEVICE FOR AUTOMATIC TRANSMISSION
ANNULAR MILLING CUTTER FOR MACHINING BEVEL GEAR
COMBINED MOTION GUIDE DEVICE
METAL VAPOR LASER OSCILLATOR
CONTROL SIGNAL DETECTOR FOR CONTROL TYPE DISPLACEMENT REGULATOR
PRODUCTION OF RED KOJI OF WHEAT
PREVENTION METHOD FOR LOADING OF INNER PERIMETER TYPE CUTTING EDGE GRINDSTONE PORTION
CGTASE GENE HAVING ENHANCED AMYLASE ACTIVITY
ELECTROPHOTOGRAPHIC SENSITIVE BODY
