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
Improvements in or relating to method and apparatus for the estimation of surface areas of solids
摘要
申请公布号
GB831639(A)
申请公布日期
1960.03.30
申请号
GB19580013761
申请日期
1958.04.30
申请人
N. V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ
发明人
NELSEN FRED M.;EGGERTSEN FRANK T.
分类号
G01N15/08
主分类号
G01N15/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VARIABLE VALVE TIMING DEVICE OF INTERNAL COMBUSTION ENGINE
VANE PUMP
CONTROL DEVICE OF VARIABLE VALVE TRAIN
CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
FAILURE DETECTING METHOD OF FUEL INJECTOR
AIR FUEL RATIO CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
HYBRID TYPE CONSTRUCTION MACHINE
INJECTION NOZZLE STRUCTURE
EQUIPMENT UNIT IN TOILET
HAIR-TRANSPLANTATION METAL SHEET
OUTER FRAME OF CEILING INSPECTION PORT
WHEEL TYPE CONSTRUCTION MACHINE
REPAIRING METHOD OF GAS TURBINE PART AND GAS TURBINE PART
DRAINING PIPE UNIT AND CIRCULATING LIQUID TUB DEVICE
CLIP
BUILDING
WIND SWINGING CHECKING MECHANISM IN BASE ISOLATION BUILDING
FIXED FRAME TYPE SASH AND SASH
OPEN-CLOSE DEVICE
ANCHOR MECHANISM OF OUTER ATTACHMENT