Control of corrosion in aqueous systems

申请公布号：US4980128(A)

申请号：US19870026494

申请日期：1987.03.16

申请公布日期：1990.12.25

申请人：

W. R. GRACE & CO.-CONN.

发明人：CUISIA, DIONISIO G.;HWA, CHIH M.;SALUTSKY, MURRELL L.

分类号：C02F1/20;C23F11/14

主分类号：C02F1/20

IMAGE SETTER AND METHOD OF PREPARING PRINTING PLATE USING IT

IMAGE PROCESSOR, PROCESSING METHOD, RECORDING MEDIUM AND PROGRAM

COMMUNICATION APPARATUS AND COMMUNICATION METHOD

NETWORK INTERFACE DEVICE

POWER SOURCE SUPPLY CIRCUIT

ADAPTIVE NOTCH FILTER

SEMICONDUCTOR CIRCUIT COMPONENT

SWITCH CIRCUIT AND NOISE REMOVING METHOD

PROGRAMMABLE DIGITAL FILTER

AMPLIFIER

VOLTAGE DETECTING DEVICE

COMMUNICATION SERVICE INFORMATION NOTICE METHOD AND NETWORK SYSTEM ADOPTING THE METHOD

STRAP FOR MOBILE PHONE

BALUN

CIRCULARLY POLARIZED WAVE ANTENNA

LAMINATED DIELECTRIC FILTER

DOOR-OPENING UNIT

MODULATOR AND OPTICAL TRANSMITTER

SEMICONDUCTOR INTEGRATED CIRCUIT

SEMICONDUCTOR DEVICE AND ITS MANUFACTURING METHOD