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
Naphthenic acid treatment
摘要
申请公布号
US2812290(A)
申请公布日期
1957.11.05
申请号
US19540433574
申请日期
1954.06.01
申请人
SUN OIL COMPANY
发明人
MILLS IVOR W.;GALLUP WILLIAM A.
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
HEAD SHIFTER
DIGITAL AUDIO RECORDING AND REPRODUCING DEVICE, AND INSPECTION METHOD THEREFOR
DISK DEVICE
REPRODUCING DATA EDITING SYSTEM
LOADING DEVICE FOR RECORDING MEDIUM
DISK CLAMPING DEVICE
METHOD FOR MANUFACTURING OPTICAL RECORDING MEDIUM
OBJECTIVE LENS DRIVING DEVICE AND OPTICAL DISK UNIT EQUIPPED THEREWITH
OPTICAL DISK RECORDING AND REPRODUCING DEVICE
MAGNETIC TRANSFER METHOD
MAGNETORESISTANCE EFFECT TYPE MAGNETIC HEAD
AXLE DETECTING DEVICE
WARNING SENSOR SYSTEM UNIT
MAGNETIC HEAD, ITS MANUFACTURING METHOD AND MAGNETIC RECORDING AND REPRODUCING DEVICE
VENDING MACHINE
CURRENCY PROCESSOR WITH KEYBOARD I/F FUNCTION
COIN SORTER
PAPER SHEET HANDLING DEVICE
COIN-WRAPPING MACHINE
SIGNATURE COLLATING METHOD AND CARD PROCESSING SYSTEM
