{HEAD ~ The antifriction nylon member} of {TAIL ~ this invention} comprised of nylon from 4 to 10 parts by weight of lubricant, and from 0.10 to 0.20 parts by weight of surfactant, may also have from 5 to 10 parts by weight of tetrafluoroethylene 
of
{ HEAD ~ The antifriction nylon member } of { TAIL ~ this invention } comprised of nylon from 4 to 10 parts by weight of lubricant , and from 0.10 to 0.20 parts by weight of surfactant , may also have from 5 to 10 parts by weight of tetrafluoroethylene
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