PT88161A
(en )
1989-06-30
WATER ABSORBENT STRUCTURES
BR8303523A
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1984-02-07
SANITARY ABSORBENT
ES535282A0
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1985-11-01
PROCEDURE AND ITS CORRESPONDING DEVICE TO PURIFY WATER
BR8400970A
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1984-10-09
SANITARY ABSORBENT
PT76436B
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1986-01-13
MASSAGE SHOWER
BR7708029A
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1978-07-25
SET OF WATER SAVING SANITARY DISCHARGE VALVES
MX162798A
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1991-06-26
DEVICE FOR THE COLLECTION OF OIL FROM WATER AND FROM THE SURFACE OF WATER
ES540968A0
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1986-04-16
PROCEDURE FOR DISINFECTION AND STERILIZATION OF WATER
AR214024A1
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1979-04-11
COMBINATION OF BIOLOGICAL DRY TOILET AND BIOLOGICAL WASTE WATER PURIFICATION PLANT
BR8301647A
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1983-12-13
MASSAGE SHOWER
BR8505695A
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1986-08-12
WATER TREATMENT AGENT
IT1066138B
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1985-03-04
PROCEDURE AND DEVICE FOR THE PURIFICATION OF WASTE WATER
AR228388A1
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1983-02-28
DEVICE FOR DEODORIZATION OF TOILETS AND COLORATION OF WATER FOR WASHING
ES490055A0
(en )
1980-12-01
PROCEDURE AND DEVICE FOR PARTIAL WATER DECARBURATION
BR8506065A
(en )
1986-08-19
SYSTEM FOR THE TREATMENT OF WASTE WATER
IT7809693A0
(en )
1978-12-29
PROCEDURE AND EQUIPMENT FOR THE PURIFICATION OF WASTE WATER
IT7809694A0
(en )
1978-12-29
PROCEDURE AND EQUIPMENT FOR THE PURIFICATION OF WASTE WATER
ES283539Y
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1985-12-16
DEVICE FOR FLUORATION OF CONSUMPTION WATER
IT1140507B
(en )
1986-10-01
PROCEDURE AND DEVICE FOR THE WASHING AND PURIFICATION OF RAW SOAP
BR7800448A
(en )
1978-08-22
PERFECTED SANITARY APPLIANCE AND WATER DISPOSAL FOR DISCHARGE
KR850004030U
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1985-07-13
Odor discharge device of toilet
ES250379Y
(en )
1981-01-16
WATER USE OF WASHING MACHINES
ES529771A0
(en )
1985-02-16
PROCEDURE FOR THE CLEANING OF DEVICES THAT WORK WITH THE CIRCULATION OF HOT WATER INSIDE
SE8501062L
(en )
1985-09-08
TREATMENT OF RADIOACTIVE WASTE WATER
BR8100914A
(en )
1982-10-13
TREATMENT STATION OF WASTE WATER