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
FIRE RESISTANT CONNECTIONS
摘要
申请公布号
GB8404014(D0)
申请公布日期
1984.03.21
申请号
GB19840004014
申请日期
1984.02.15
申请人
GRAY TOOL CO
发明人
分类号
E21B33/00;E21B33/03;F16J15/02;(IPC1-7):E21B/
主分类号
E21B33/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DEVICE FOR MEASURING THE RATE OF MANIPULATION OF TELEPHONE SIGNAL
FREQUENCY-PHASE DISCRIMINATOR
SPEED CONTROL DEVICE FOR A-C ELECTRIC MOTOR
VARIABLE TRANSISTORIZED INVERTER
FAN CASING OF ELECTRIC MACHINE
DEVICE FOR PROTECTING CONVERTER
TOOL FOR STRIPPING ELECTRIC WIRES
TWO RECEIVERS POWER ADDER
LIGHT SOURCE
METHOD OF COMMUNICATING WORKING SPACES OF PHOTOELECTRONIC DEVICE
COMBINATION SWITCHING DEVICE
DEVICE FOR TRANSPORTING LOOP CARRIER
BUFFER MEMORY
HIGH-VOLTAGE PULSE TRANSFORMER
MAGNETIC TAPE TRANSPORT DEVICE
DEVICE FOR TRANSMITTING AND RECEIVING SIGNALS
PHOTOELECTRIC MOTION TO CODE CONVERTER
MULTIPOINT SIGNALLING APPARATUS
DEVICE FOR SORTING AND COUNTING BANK NOTES
DEVICE FOR DISPLAYING DATA ON THE SCREEN OF CATHODE RAY TUBE (CRT)