JPS52151924A
(en )
1977-12-16
Fluid tight sealing arrangement
JPS52151925A
(en )
1977-12-16
Fluid tight sealing arrangement of coupling
GB1538669A
(en )
1979-01-24
Water-swelling material for preventing leakage of water
MY8000254A
(en )
1980-12-31
Water drainable gasket
GB2024901B
(en )
1982-10-27
Device for sealing the lower part of a columnstanding on w water bed with respect to th bottom
JPS5377760A
(en )
1978-07-10
Ceiling with water tank
JPS53427A
(en )
1978-01-06
Water sealing valve device
JPS5218001A
(en )
1977-02-10
Joint for deep water
JPS5330112A
(en )
1978-03-22
Method of preventing water leak from
CS187009B1
(en )
1979-01-31
Automatic seal of water supply for filter with swimming packing
JPS52120528A
(en )
1977-10-11
Automatic controller of facing water pressure
JPS5332932A
(en )
1978-03-28
Automatic controller of facing water pressure
JPS57104798A
(en )
1982-06-29
Prevention of water leakage of tunnel
JPS55124129A
(en )
1980-09-25
Water tight sealing
JPS5351522A
(en )
1978-05-11
Method of changing small pipe for water supply
JPS5338157A
(en )
1978-04-07
Water sprinkling filter bed
JPS5319057A
(en )
1978-02-21
Apparatus for automatically preventing leakage of water supply
JPS5284512A
(en )
1977-07-14
Method of water sealing petroleum tanks
JPS52149623A
(en )
1977-12-12
Water supply valve
JPS52149625A
(en )
1977-12-12
Water supply valve
AU2955377A
(en )
1979-04-26
Method for the purification of sea water
JPS52118623A
(en )
1977-10-05
Valve of stopping matter such as water
JPS52109747A
(en )
1977-09-14
Water filter
JPS52126373A
(en )
1977-10-24
Cleaner for pond water
JPS5786495A
(en )
1982-05-29
Detector for leakage of water storage tank