US PATENT SUBCLASS 177 / 135
.~.~.~ With guard or shield

Current as of: June, 1999
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177 /   HD   WEIGHING SCALES

132  DF  STRUCTURAL INSTALLATION {5}
133  DF  .~ Geographic {1}
134  DF  .~.~ Pit {1}
135.~.~.~ With guard or shield

DEFINITION

Classification: 177/135

(under subclass 134) Apparatus with means between movable weigher elements and the pit enclosure for preventing the entrance of undesirable material into the pit.