US PATENT SUBCLASS 700 / 269
.~.~.~ Polymerization/trimerization


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700 /   HD   DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS

90  DD  SPECIFIC APPLICATION, APPARATUS OR PROCESS {16}
266  DD  .~ Chemical process control or monitoring system {6}
268  DD  .~.~ Synthesis process {1}
269.~.~.~ Polymerization/trimerization