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FI3528A
(en)
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Pumping can be performed to compress the air or compress gas
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FR388267A
(en)
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Improvements to helico-centrifugal pumps
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GB191004685A
(en)
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Improvements in and relating to Air Compressors.
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ES39240A1
(en)
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Improvements in devices to compress air or gas.
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GB190916954A
(en)
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Improvements in or relating to Mercury Air Pumps.
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FR406691A
(en)
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Fan
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CH46483A
(en)
|
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Air compressor
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GB191006032A
(en)
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Improvements in and relating to Compressors.
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|
CH43918A
(en)
|
|
Experimental tube to identify the atmospheric air pressure
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|
CH44717A
(en)
|
|
Gas pump
|
|
FI3384A
(en)
|
|
Träkoffertar ell packerådor
|
|
GB190919070A
(en)
|
|
Improvements in and relating to the Application of Air Pumps to Cycles.
|
|
GB190928254A
(en)
|
|
Improvements relating to Air Compressors.
|
|
GB191020766A
(en)
|
|
Improvements relating to Air Compressors.
|
|
DK11406C
(en)
|
|
Air compressor.
|
|
FR390190A
(en)
|
|
Improvements to compressors or fans
|
|
DK11588C
(en)
|
|
Compressed air diffuser.
|
|
FR386062A
(en)
|
|
Improvements to air pumps
|
|
FR386024A
(en)
|
|
Improvements to air pumps
|
|
CH44267A
(en)
|
|
Piston air pump
|
|
CH43582A
(en)
|
|
Air humidifier
|
|
CH44485A
(en)
|
|
Air humidifier
|
|
FR406303A
(en)
|
|
Airship airship
|
|
FR392284A
(en)
|
|
Improvements to pumps
|
|
FR390255A
(en)
|
|
Multistage compressor-fan
|