Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B67
OPENING, CLOSING; OR CLEANING; BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
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B67D
DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
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7/00
Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
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B67D7/04
for transferring fuels, lubricants or mixed fuels and lubricants
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B67D7/0476
Vapour recovery systems
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B67D7/0478
constructional features or components
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B67D7/048
Vapour flow control means, e.g. valves, pumps
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B67D7/0482
using pumps driven at different flow rates
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B67D7/0486
Pumps driven in response to electric signals indicative of pressure, temperature or liquid flow
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