Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F17
STORING OR DISTRIBUTING GASES OR LIQUIDS
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F17D
PIPE-LINE SYSTEMS; PIPE-LINES
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F17D1/08
for liquids or viscous products
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F17D1/088
for solids or suspensions of solids in liquids, e.g. slurries
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