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PCE
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CPC Subgroup
E21F 5/02

by wetting or spraying

Full Title

Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires (dams E21F17/103; applying liquids or other fluent materials to surfaces in general B05) > by wetting or spraying

2 direct subcodes

Child Classifications

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  • E21F 5/04 Spraying barriers (spray nipples, spraying in general B05B, B05D; picks with arrangements of fluid-spraying nozzles E21C35/187)
  • E21F 5/06 Fluids used for spraying