US PATENT SUBCLASS 123 / 188.13
.~.~.~ Including attaching means

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

188.1  DF  VALVE {10}
188.11  DF  .~ Wear feature {1}
188.12  DF  .~.~ For spring {1}
188.13.~.~.~ Including attaching means

DEFINITION

Classification: 123/188.13

Including attaching means:

(under subclass 188.12) Apparatus having means to hold spring in place.