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
UNIFORM TRENCH REFILL PROCESS
摘要
申请公布号
GB8925780(D0)
申请公布日期
1990.01.04
申请号
GB19890025780
申请日期
1989.11.15
申请人
DAVID SARNOFF RESEARCH CENTER, INC
发明人
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
CONNECTION STATE INSPECTION DEVICE OF HARNESS OF ELECTRONIC DEVICE, AND ITS CONNECTION STATE INSPECTION METHOD
EMISSION SPECTROMETER
EXCITATION SPECTRUM CORRECTION TECHNIQUE IN FLUORESCENCESPECTROPHOTOMETER
FLATNESS MEASURING INSTRUMENT AND FLATNESS MEASURING METHOD
ROTATION DETECTOR
IMPROVEMENT METHOD OF MEASUREMENT ACCURACY, AND MEASURING CONTAINER
VACUUM HEAT-INSULATION HEATER ASSEMBLY
VACUUM DRIER USING EJECTION EFFECT OF VENTURI TUBE
ATTACHMENT STRUCTURE FOR FLAME DETECTOR
AIR SHOWER DEVICE
REFRIGERATOR
COLORED FLAME GENERATOR, STORAGE UNIT OF FUEL FOR COLORED FLAME, AND APPLICATION METHOD OF COLORED FLAME GENERATOR
HOT WATER SUPPLY APPARATUS
REFRIGERATING APPARATUS
FASTENING RING ASSEMBLING DEVICE AND ITS METHOD
MODULE FOR MANUFACTURING STORAGE TANK FOR LIQUEFIED NATURAL GAS AND TANK UTILIZING THE SAME
FAILURE DETECTING DEVICE OF AUTOMATIC TRANSMISSION
METHOD AND DEVICE FOR TROUBLESHOOTING VEHICLE
TORQUE CAM DEVICE AND BELT-TYPE CONTINUOUSLY VARIABLE TRANSMISSION
BEARING WITH MULTIPLE ROTATION ABSOLUTE ANGLE DETECTION MECHANISM AND ANGLE DETECTION METHOD THEREOF