ZA765738B
(en )
1977-10-26
Improvements in or relating to pipe couplings
ZA772799B
(en )
1978-04-26
Improvements in and relating to soldering
MY8000073A
(en )
1980-12-31
Improvements in or relating to pipe couplings
SG8883G
(en )
1983-12-16
Improvements in and relating to pipe connectors
ZA766792B
(en )
1977-10-26
Improvements in or relating to drainage fittings and/or washhouse fittings
ZA783196B
(en )
1979-08-29
Improvements in pipe fittings
SG29184G
(en )
1985-02-15
Improvements in or relating to flexible couplings
GB1550624A
(en )
1979-08-15
Pipe joints and pipe couplings
ZA773620B
(en )
1979-01-31
Improvements in or relating to offshore pipe laying
ZA771250B
(en )
1978-04-26
Improvements in and relating to apparatus for use in buildings
ZA774921B
(en )
1979-03-28
Improvements in or relating to welding pipe lines
GB2096266B
(en )
1984-11-14
Improvements in or relating to pipes for irrigation and other uses
GB2107079B
(en )
1986-09-10
Improvements in and relating to interferometers
ZA773528B
(en )
1979-01-31
Improvements in or relating to offshore pipe laying
ZA764818B
(en )
1977-08-31
Improvements in and relating to pipe couplings
MY8000072A
(en )
1980-12-31
Improvements in or relating to pipe couplings
ZA766610B
(en )
1978-06-28
Improvements in and relating to pipe joints
ZA766812B
(en )
1978-06-28
Improvements in and relating to pipe joints
JPS52122964A
(en )
1977-10-15
Mixer in pipe line
ZA771630B
(en )
1978-03-29
Improvements in and relating to pipe couplings
PT65190B
(en )
1977-11-22
Improvements in or relating to pipe couplings
ZA773569B
(en )
1979-01-31
Improvements in or relating to offshore pipe laying
ZA764187B
(en )
1977-12-28
Improvements in or relating to pipe joints
ZA771941B
(en )
1978-11-29
Improvements in and relating to building blocks
ZA762567B
(en )
1977-12-28
Improvements in and relating to plastics pipes