ZA765738B
(en )
1977-10-26
Improvements in or relating to pipe couplings
ZA772799B
(en )
1978-04-26
Improvements in and relating to soldering
HK69479A
(en )
1979-10-05
Improvements in and relating to scoops
ZA772944B
(en )
1978-04-26
Improvements in or relating to frameworks and like structures
SG8883G
(en )
1983-12-16
Improvements in and relating to pipe connectors
DE2962987D1
(en )
1982-07-22
Improvements in or relating to joints
MY8000073A
(en )
1980-12-31
Improvements in or relating to pipe couplings
SG29184G
(en )
1985-02-15
Improvements in or relating to flexible couplings
HK16982A
(en )
1982-04-23
Improvements in and relating to copying apparatus
ZA76929B
(en )
1977-01-26
Improvements in or relating to pipe joint seals
ZA771250B
(en )
1978-04-26
Improvements in and relating to apparatus for use in buildings
HK24981A
(en )
1981-06-12
Improvements in and relating to soft soldering
ZA774778B
(en )
1979-03-28
Improvements in or relating to glycerokinases
ZA774921B
(en )
1979-03-28
Improvements in or relating to welding pipe lines
ZA766610B
(en )
1978-06-28
Improvements in and relating to pipe joints
ZA766812B
(en )
1978-06-28
Improvements in and relating to pipe joints
ZA774654B
(en )
1978-06-28
Improvements in or relating to dartboards
HK4282A
(en )
1982-02-12
Improvements in and relating to copying apparatus
ZA764818B
(en )
1977-08-31
Improvements in and relating to pipe couplings
ZA764187B
(en )
1977-12-28
Improvements in or relating to pipe joints
ZA78111B
(en )
1979-09-26
Improvements in and relating to pipe joints
ZA771941B
(en )
1978-11-29
Improvements in and relating to building blocks
ZA771630B
(en )
1978-03-29
Improvements in and relating to pipe couplings
GB2005785B
(en )
1982-02-10
Sealing joints in piping
PT65190B
(en )
1977-11-22
Improvements in or relating to pipe couplings