US PATENT SUBCLASS 102 / 409
.~.~ Field or group

Current as of: June, 1999
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102 /   HD   AMMUNITION AND EXPLOSIVES

401  DF  MINES {5}
406  DF  .~ Marine type {5}
409.~.~ Field or group {1}
410  DF  .~.~.~> With manipulating means

DEFINITION

Classification: 102/409

Field or group:

(under subclass 406) Subject matter wherein mines are placed in a certain area either randomly or a set pattern and/or means for selectively firing them.