CONSTRUCCION DE BANDEJA PARA CULTIVAR PLANTAS

申请公布号：AR217261(A1)

申请号：AR19770269422

申请日期：1977.10.03

申请公布日期：1980.03.14

申请人：

ILLINOIS TOOL WORKS INC

分类号：A01G23/04;A01G9/00;A01G9/10;(IPC1-7):A01G9/00

主分类号：A01G23/04

MANGANESE PLATING BATH

METHOD OF PREPARING PU*VI**OXIDATION ELECTROCHEMICALLY

SINTERED HARD ALLOY FOR CUTTING TOOL MATERIAL

ELECTRIC CABLE

DEMONSTRATION APPARATUS

QUADRATURE VOLTAGE-TO-FREQUENCY CONVERTER

DIFFERENTIATING-SMOOTHING DEVICE

DIGITAL EXTRAPOLATOR

DEVICE FOR SIMULATING STOREHOUSE STOCK CONTROL SYSTEM

N-DIGIT COMPLEX NUMBER ADDER

MULTICHANNEL STABILIZED VOLTAGE SOURCE

STABILIZED CURRENT SOURCE WITH VARYING POLARITY

PROGRAMME CONTROL SYSTEM

DEVICE FOR EXCITING SEISMIC SIGNALS

PROGRAMME-CONTROL DEVICE

DEVICE FOR MEASURING DUST-LOADING OF GASES

SAMPLER

METHOD OF MONITORING FLUIIDIZED BED PERMEABILITY

MUSICAL PHRASE SYNTHESIZER

LOADING DEVICE FOR TESTING POWER SUPPLY SOURCES