AU1942276A
(en )
1978-05-18
Drainage fittings and/or wash-house fittings
NO773671L
(no )
1978-05-03
Fremgangsmaate og anordning for understoettelse av en roerledning over fordypninger i havbunnen
JPS5355891A
(en )
1978-05-20
Device for connecting structure on water and anchor
JPS53656A
(en )
1978-01-06
Drainage pipe device in building
CS186476B1
(en )
1978-12-29
Device preventing the back penetration of the sewerage waters in the drain pipeline
JPS5287853A
(en )
1977-07-22
Leakkpreventive device of sewage pipe
FI791098A7
(fi )
1981-01-01
Hana sulkuelimineen.
JPS52117318A
(en )
1977-10-01
Grout for use in water
JPS5363767A
(en )
1978-06-07
Device for treating and diffusing waste water
JPS52100730A
(en )
1977-08-24
Device for taking in water
ZA775617B
(en )
1979-04-25
Improvements in water closet seats and fixing devices therefor
JPS54115899A
(en )
1979-09-08
Excavation method in water and selffpropelled system device
ZA777007B
(en )
1978-09-27
Detection device of the water-sludge interface level in the treatment of waste waters
GB1544979A
(en )
1979-04-25
Drain pipe and filter for land drains
JPS531702A
(en )
1978-01-10
Steam drain recovery and automatic water supplying device
JPS53123561A
(en )
1978-10-28
Device for nitrifying and denitrifying waste water
JPS5383346A
(en )
1978-07-22
Method of preventing immersion of water in sewage pipe joint and device used therefor
JPS5322624A
(en )
1978-03-02
Water tap
JPS5328825A
(en )
1978-03-17
Device of preventing drain back flow
JPS54103171A
(en )
1979-08-14
Water stop and drain device
JPS52140430A
(en )
1977-11-24
Improvements in drain district of surface treating device
JPS52144825A
(en )
1977-12-02
Water tap with subbtaps
AU509531B2
(en )
1980-05-15
Plumbing and drainage module
JPS5372367A
(en )
1978-06-27
Device for treating water as waste water or like
JPS5398116A
(en )
1978-08-28
Method and device for making water stop film for soil