HK37782A
(en )
1982-09-03
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
ZA785132B
(en )
1979-08-29
Improvements in or relating to reflective means
HK26383A
(en )
1983-08-19
Improvements in or relating to optical fibres
ZA783697B
(en )
1979-06-27
Improvements in or relating to elevator arrangements
MY8200261A
(en )
1982-12-31
Improvements in or relating to bridge structure
ZA783660B
(en )
1979-06-27
Improvements in or relating to benoxaprofen
HK13381A
(en )
1981-04-16
Improvements in or relating to tools
ZA782942B
(en )
1979-05-30
Improvements in or relating to class manufacture
HK46181A
(en )
1981-09-25
Improvements in or relating to optical transducers
ZA786693B
(en )
1979-11-28
Improvements in or relating to foam
ZA776766B
(en )
1978-10-25
Improvements in or relating to bumpers
DE2861017D1
(en )
1981-11-26
Improvements in or relating to decollators
DE2860615D1
(en )
1981-05-07
Improvements in or relating to ladders
ZA772783B
(en )
1978-04-26
Improvements in or relating to cladding
HK31280A
(en )
1980-06-13
Improvements in or relating to toys
ZA777519B
(en )
1979-01-31
Improvements in or relating to couplers
GR65361B
(en )
1980-08-20
Improvements in or relating to small boats
ZA774295B
(en )
1978-06-28
Improvements in or relating to scaffolding
EG12730A
(en )
1980-07-31
Improvements in or relating to furnaces
ZA775919B
(en )
1978-10-25
Improvements in or relating to building
ZA777682B
(en )
1978-10-25
Improvements in or relating to boilers
ZA77804B
(en )
1978-07-26
Improvements in or relating to side-arms
ZA773427B
(en )
1978-09-27
Improvements in or relating to winches