孔距画圆多用三角板

申请公布号：CN86300935S

申请号：CN86300935

申请日期：1986.11.20

申请公布日期：1987.09.10

申请人：

迟仲玉;边琪;迟靖

发明人：迟仲玉;边琪;迟靖

分类号：19-06-R0303

主分类号：19-06-R0303

地址：天津大学分析中心

摘要：其它视图省略。该角板可利用两支笔，以一孔为圆心绘制出不同直径的圆，并能方便地利用箭头孔绘出箭头。

APPARATUS FOR CLEANING A TAPE MACHINE

P-AMINOPHENOLS DERIVATIVES

DEVICE FOR CONVERTING BINARY SEQUENCE TO BLOCK BALANCE TERNARY CODE

G-FLIP=FLOP

MAGNETICALLY CONTROLLED CONTACT

DEVICE FOR CHECKING LOCATION OF MOVABLE OBJECT

DEVICE FOR REPRODUCING PREDICATE FUNCTIONS

DEVICE FOR MONITORING DYNAMICS OF COMPLICATED SYSTEMS

DIGITAL PHASE SHIFTER

G-FLIP-FLOP

DEVICE FOR TRANSFERRING MAGNETIC HEADS

DEVICE FOR SOLVING SYSTEMS OF LINEAR ALGEBRAIC EQUATIONS

METHOD OF MAGNETOTELLURIC SOUNDING

DEVICE FOR FREQUENCY ANALYSIS OF BIOELECTRICAL PROCESSES

MEASURING CURRENT TRANSFORMER

METHOD OF MEASURING VOLTAGE AT GIVEN POINT OF PERIODIC SIGNAL

METHOD OF BIOLOGICAL FLUID CRYSTALLOGRAPHY

DEVICE FOR PULSED EDDY-CURRENT CHECK

METHOD OF DETERMINING TEMPERATURE COEFFICIENT OF FREE SURFACE ENERGY

METHOD OF DETERMINING PARAMETERS OF ROCK LONG-TERM STRENGTH