US PATENT SUBCLASS 165 / DIG 71
.~ Resilient fluid seal for plate-type heat exchanger


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



165 /   HD   HEAT EXCHANGE

DIG 51  DD  HAVING EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS {2}
DIG 71.~ Resilient fluid seal for plate-type heat exchanger