Educational aid or the like,申请号GB19980018584-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Educational aid or the like
摘要
申请公布号	GB9818584(D0)	申请公布日期	1998.10.21
申请号	GB19980018584	申请日期	1998.08.27
申请人	MILLAR, RICHARD K R;MILLAR, DASHKA	发明人
分类号	G03B25/02;G09B1/32;G09B3/02;G09B17/00;G09B19/00	主分类号	G03B25/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

THREE-PHASE POLE-COMMUTATED WINDING

ARRANGEMENT FOR SEPARATION OF SOLVENT FROM VAPOUR-AIR MIXTURE

METHOD OF MEASURING ANISOTROPY OF THIN MAGNETIC FILM

DEVICE FOR MEASURING DEPTH OF MODUALTION

VOLTAGE RATIO METER

ANALOG SIGNAL-TO-SCALE-TIME CONVERTER

METHOD OF INVESTIGATING METABOLISM OF MYOCARDIUM

METHOD AND DEVICE FOR DETERMINING AVERAGE SIZE OF PARTICLES OF LOOSE MATERIALS

METHOD OF PRODUCING SILICA GEL SUSPENSION FOR PRODUCTION OF THIN-LAYER CHROMATOGRAPHIC PLATES

FREQUENCY SYNTHESIZER

D.C.VOLTAGE STABILIZING SOURCE

CONVERTER OF ROOT-MEAN-SQUARE VOLTAGE VALUE

DEVICE FOR DIFFERENTIAL THERMAL ANALYSIS

METHOD OF ANALYSIS OF MULTICOMPONENT GAS MIXTURES

DEVICE FOR CHECKING EFFORTS IN THREADED JOINTS

THERMOSIPHON COOLER OF METALLURGICAL FURNACES

METHOD OF TREATING AIR IN HEATING-VENTILATION SET

HYDRAULIC VARIABLE-SPEED DRIVE