ZA7624B
(en )
1976-12-29
Improvements in or relating to split cable-sleeves
HK56281A
(en )
1981-11-20
Improvements in or relating to timepieces
PT65887B
(en )
1978-05-18
Improvements in or relating to continuous envelope assemblies
HK33881A
(en )
1981-07-24
Improvements in or relating to quay structures
ZM2676A1
(en )
1977-10-21
Improvements in or relating to tyres
PT65673B
(en )
1978-04-12
Improvements in or relating to unit sets
ZA766238B
(en )
1978-01-25
Improvements in or relating to acid-resistant cement
ZA752650B
(en )
1976-11-24
Improvements in or relating to scaffolding
ZA763635B
(en )
1977-05-25
Improvements in or relating to antibiotics
ZA765993B
(en )
1978-08-30
Improvement in or relating to cell filters
ZA761135B
(en )
1977-02-23
Improvements in or relating to operating means
ZA773680B
(en )
1978-05-30
Improvements in or relating to roof supports
ZA757015B
(en )
1976-10-27
Improvements in or relating to selfadvancing mine roof supports
PH13344A
(en )
1980-03-17
Improvements in or relating to roof structures
ZA777090B
(en )
1978-09-27
Improvements in or relating to roof supports
ZA762282B
(en )
1977-04-27
Improvements in or relating to vehicles
ZA775699B
(en )
1979-04-25
Improvements in or relating to mine roof supports
ZA775250B
(en )
1979-04-25
Improvements in or relating to mine roof supports
GR60267B
(en )
1978-04-20
Improvements in or relating to anchors
ZA767122B
(en )
1977-10-26
Improvements in or relating to conveyors
ZA761010B
(en )
1977-01-26
Improvements in or relating to mine roof supports
ZA767228B
(en )
1978-02-22
Improvements in or relating to buildings
MY7900108A
(en )
1979-12-31
Improvements in or relating to paint
ZA746763B
(en )
1976-02-25
Improvements in or relating to roof constructions
ZA752898B
(en )
1977-04-27
Improvements in or relating to odometers