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
Process for varying the ph value of solutions
摘要
申请公布号
US2159074(A)
申请公布日期
1939.05.23
申请号
US19370135105
申请日期
1937.04.05
申请人
BRIGGS ROBERT E
发明人
BRIGGS ROBERT E.
分类号
C13B20/18
主分类号
C13B20/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PRODUCTION OF GLASS CAUSING CRYSTALLITE
POWER CIRCUIT
STORAGE CIRCUIT
SORTING CIRCUIT
SWITCHING POWER SOURCE CONTROL CIRCUIT
DEVICE FOR FIXING PHOTODETECTOR
FORMATION OF DIFFRACTION GRATING
ERASURE OF GHOST IN NUCLEAR MAGNETIC RESONANCE
WAVELENGTH SCANNING TYPE SPECTROSCOPE
CONNECTION OF COUPLER IN CONTINUOUS UNDERGROUND WALL
DUMMY FRAME DEVICE FOR CORNER-BEVELED GATE
METHOD AND APPARATUS FOR CHARGING SINTERING RAW MATERIAL
COMPOSITION FOR DRAWING LINE
POWER-SUPPLY DEVICE
Y/C SEPARATING DEVICE
CONTROL SYSTEM FOR TRANSMISSION BUFFER
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
SLOT ARRAY ANTENNA
MANUFACTURE OF SEMICONDUCTOR DEVICE
PRODUCTION OF OPTICAL DISK SUBSTRATE