ZA784382B
(en )
1979-09-26
Improvements in or relating to wall segments
ZA783493B
(en )
1979-06-27
Improvement in or relating to heterocyclic compounds
ZA786956B
(en )
1980-03-26
Improvements in or relating to clotheslines
ZA783697B
(en )
1979-06-27
Improvements in or relating to elevator arrangements
DE2861115D1
(en )
1981-12-10
Improvements in or relating to bidets or the like
ZA782795B
(en )
1979-05-30
Improvements in or relating to tyres
MY8200261A
(en )
1982-12-31
Improvements in or relating to bridge structure
ZA783660B
(en )
1979-06-27
Improvements in or relating to benoxaprofen
ZA782942B
(en )
1979-05-30
Improvements in or relating to class manufacture
ZA763598B
(en )
1977-09-28
Improvements in or relating to yieldable pit props
ZA763597B
(en )
1977-09-28
Improvements in or relating to yieldable pit props
ZA777254B
(en )
1979-07-25
Improvements in or relating to pit props
ZA777257B
(en )
1978-12-27
Improvements in or relating to pit props
ZA777255B
(en )
1979-07-25
Improvements in or relating to pit props
DE2861017D1
(en )
1981-11-26
Improvements in or relating to decollators
PT68504A
(en )
1978-10-01
Improvements in or relating to tiles.
ZM478A1
(en )
1978-10-23
Improvements in raise-boring
DE2860615D1
(en )
1981-05-07
Improvements in or relating to ladders
ZA784208B
(en )
1979-07-25
Improvements in or relating to footwear
ZA772516B
(en )
1978-03-29
Improvements in or relating to hydraulic pit props
ZA776141B
(en )
1978-06-28
Improvements in or relating to tunnelling machines
ZA783389B
(en )
1979-06-27
Improvements in or relating to conveyors
ZA772031B
(en )
1978-07-26
Improvements in or relating to mine props
EG12730A
(en )
1980-07-31
Improvements in or relating to furnaces
HK16583A
(en )
1983-05-20
Improvements in or relating to drains