US PATENT SUBCLASS 342 / 35
.~ Microwave landing system (MLS)

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

33  DF  AIRCRAFT LANDING SYSTEM {2}
35.~ Microwave landing system (MLS)

DEFINITION

Classification: 342/35

Microwave landing system (MLS):

(under subclass 33) Subject matter including an airfield approach microwave radar generating a guideline for landing.