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DK9170C
(en)
|
|
Procedure with associated Water Purification Apparatus.
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DK8977C
(en)
|
|
Procedure for Purifying Water.
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|
DK8990C
(en)
|
|
Waterworks with uninterrupted supply of the chemicals used for water purification.
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|
FR371456A
(en)
|
|
Pipe connection
|
|
DK8387C
(en)
|
|
Pipe Cleaning Device.
|
|
CH36140A
(en)
|
|
water tap
|
|
FR372217A
(en)
|
|
Water heater
|
|
CH35958A
(en)
|
|
Water purifier
|
|
CH37326A
(en)
|
|
Water heating
|
|
FR367555A
(en)
|
|
Tap
|
|
FR371194A
(en)
|
|
Tap
|
|
DK8159C
(en)
|
|
Procedure for the Treatment of Creosote.
|
|
FR369380A
(en)
|
|
Safety pipe
|
|
CH37854A
(en)
|
|
Improved water heater
|
|
DK8151C
(en)
|
|
Skraatobakdaase med Afskæreanordning.
|
|
ES39566A1
(en)
|
|
A procedure for the purification of water.
|
|
DK7907C
(en)
|
|
Water meter.
|
|
DK7778C
(en)
|
|
Devices for sound signaling through water.
|
|
DK8304C
(en)
|
|
Device for Propulsion of Ships.
|
|
ES35472A1
(en)
|
|
Improvements in the purification devices.
|
|
DK7288C
(en)
|
|
Procedure for Treating Coffee.
|
|
DK10485C
(en)
|
|
Procedure for Purifying Raakautsjuk.
|
|
DK9080C
(en)
|
|
Device for washing house facades.
|
|
DK8222C
(en)
|
|
Pipe Sealing Device.
|
|
DK8462C
(en)
|
|
Procedure for Treating Wood.
|