US PATENT SUBCLASS 181 / 235
.~.~ Underwater discharge


Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
212  DF  .~ Muffler, fluid conducting type {25}
235.~.~ Underwater discharge


DEFINITION

Classification: 181/235

Underwater discharge:

(under subclass 212) Subject matter wherein the fluid is ejected under water.