ZA784382B
(en )
1979-09-26
Improvements in or relating to wall segments
ZA786750B
(en )
1979-11-28
Improvements in or relating to tubewells
GB2000040B
(en )
1982-04-21
Improvements in or relating to filters
GB2000097B
(en )
1982-01-06
Improvements in or relating to travelling hoists
ZA785132B
(en )
1979-08-29
Improvements in or relating to reflective means
ZA786956B
(en )
1980-03-26
Improvements in or relating to clotheslines
ZA783697B
(en )
1979-06-27
Improvements in or relating to elevator arrangements
ZA782795B
(en )
1979-05-30
Improvements in or relating to tyres
MY8200261A
(en )
1982-12-31
Improvements in or relating to bridge structure
ZA782942B
(en )
1979-05-30
Improvements in or relating to class manufacture
ZA774778B
(en )
1979-03-28
Improvements in or relating to glycerokinases
ZA774976B
(en )
1978-10-25
Improvements in or relating to winding drums
ZA774654B
(en )
1978-06-28
Improvements in or relating to dartboards
DE2861017D1
(en )
1981-11-26
Improvements in or relating to decollators
ZA785978B
(en )
1980-04-30
Improvements in or relating to packages
DE2860615D1
(en )
1981-05-07
Improvements in or relating to ladders
ZA773427B
(en )
1978-09-27
Improvements in or relating to winches
GR65361B
(en )
1980-08-20
Improvements in or relating to small boats
ZA774386B
(en )
1979-01-31
Improvements in or relating to snatch blocks
HK31280A
(en )
1980-06-13
Improvements in or relating to toys
HK8582A
(en )
1982-03-05
Improvements in or relating to index-selector devices
ZA765046B
(en )
1977-09-28
Improvements in or relating to vehiclemounted cranes
ZA761367B
(en )
1977-07-27
Improvements in or relating to cranes
ZA775486B
(en )
1979-02-28
Improvements in or relating to lifting mechanisms
ZA775919B
(en )
1978-10-25
Improvements in or relating to building