ZA733315B
(en )
1974-04-24
Improvements in or relating to connection elements
ZA728342B
(en )
1974-07-31
Improvements in or relating to insulating materials
ZA731896B
(en )
1974-05-29
Improvements in or relating to ozonisers
HK10982A
(en )
1982-03-19
Improvements in or relating to dioxamates and the preparation thereof
HK14081A
(en )
1981-04-24
Improvents in or relating to fire-fighting
HK20280A
(en )
1980-04-25
Improvements in or relating to respirators
MY7600283A
(en )
1976-12-31
Improvements in or relating to chlorinated pnthalonitriles
HK14679A
(en )
1979-03-30
Improvements in or relating to anchors
ZA738163B
(en )
1975-05-28
Improvements in or relating to the manufacture of flat glass
ZM1673A1
(en )
1974-02-21
Improvements in or relating to building structures
ZA732392B
(en )
1974-11-27
Improvements in or relating to dentures
ZA728638B
(en )
1974-08-28
Improvements relating to building
ZA738811B
(en )
1974-10-30
Improvements in or relating to the forming of materials
MY7800059A
(en )
1978-12-31
Improvements in or relating to building construction
ZA73483B
(en )
1973-10-31
Improvements in or relating to building methods
IE38077B1
(en )
1977-12-21
Improvements in or relating to marine structures
HK47576A
(en )
1976-07-30
Improvements in or relating to aerators
ZA728341B
(en )
1974-06-26
Improvements in or relating to the construction of houses
HK32579A
(en )
1979-05-25
Improvements in or relating to building methods
ZA738594B
(en )
1975-04-30
Improvements in or relating to the manufacture of shoes
ZA738607B
(en )
1974-10-30
Improvements in or relating to the construction of houses
ZA737152B
(en )
1974-08-28
Improvements in or relating to the manufacture of modified saturated alkyds
AU464588B2
(en )
1974-10-03
Improvements in or relating to submersible structures
MY7700277A
(en )
1977-12-31
Improvements in or relating to the manufacture of bricks
ZA738343B
(en )
1974-09-25
Improvements in or relating to the manufacture of bricks