US PATENT SUBCLASS 277 / FOR 193
.~ With anti-extrusion rings (277/188 A)
Current as of:
June, 1999
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277 /
HD
SEAL FOR A JOINT OR JUNCTURE
FOR 192
DF
WITH AXIALLY RELATED BACKING OR RETAINING MEMBER (277/188 R)
{1}
FOR 193
.~ With anti-extrusion rings (277/188 A)
