ZA735861B
(en )
1974-10-30
Improvements in/or relating to drying apparatus
AU475575B2
(en )
1976-08-26
Improvements in and relating to tunnelling apparatus
IL41679A0
(en )
1973-07-30
Improvements in or relating to display apparatus
HK54176A
(en )
1976-09-10
Improvements in and relating to cameras
ZA738484B
(en )
1974-11-27
Improvements in or relating to sampling apparatus
IE36812B1
(en )
1977-03-02
Improvements in or relating to construction apparatus
HK45877A
(en )
1977-09-16
Improvements in or relating to memory apparatus
HK1677A
(en )
1977-01-14
Improvements in or relating to rollers
AU473751B2
(en )
1976-07-01
Improvements in or relating to seed-sowing apparatus
ZA734389B
(en )
1974-03-27
Improvements in or relating to shaving apparatus
HK63876A
(en )
1976-10-22
Improvements in and relating to cameras
HK17377A
(en )
1977-04-22
Improvements in and relating to cameras
HK63676A
(en )
1976-10-22
Improvements in and relating to cameras
ZA738623B
(en )
1975-04-30
Improvements in and relating to structures
ZA73209B
(en )
1973-10-31
Improvements in and relating to apparatus for use in buildings
IL36030A0
(en )
1971-03-24
Improvements in and relating to teaching apparatus
ZA73483B
(en )
1973-10-31
Improvements in or relating to building methods
AU2510771A
(en )
1972-08-10
Improvements in or relating to stud-welding apparatus
HK32579A
(en )
1979-05-25
Improvements in or relating to building methods
ZA726045B
(en )
1973-12-19
Improvements in or relating to power measuring apparatus
ZA723874B
(en )
1973-03-28
Improvements in and relating to scoring apparatus
HK63776A
(en )
1976-10-22
Improvements in and relating to cameras
HK11676A
(en )
1976-03-12
Improvements in and relating to cameras
HK79376A
(en )
1976-12-24
Improvements in and relating to cameras
IE38511B1
(en )
1978-03-29
Improvements in and relating to multivibrators