HK42081A
(en )
1981-08-28
Improvements in and relating to drains
IL36064A0
(en )
1971-03-24
Improvements in and relating to seats
IL38121A
(en )
1974-10-22
Improvements in and relating to wired broacasting systems
ZA716278B
(en )
1972-05-31
Improvements in or relating to heating and ventilating apparatus
ZA714674B
(en )
1972-05-31
Improvements in and relating to chairs
ZA716293B
(en )
1972-05-31
Improvements in and relating to chairs
ZA703767B
(en )
1971-02-24
Improvements in and relating to dielectric heating
IE34880B1
(en )
1975-09-17
Improvements in and relating to hangers
ZA711498B
(en )
1971-11-24
Improvements in and relating to buildings
ZA718084B
(en )
1972-08-30
Improvements in and relating to photoconductive materials
ZA715026B
(en )
1972-05-31
Improvements in and relating to web-winding methods
ZA734848B
(en )
1974-11-27
Improvements in and relating to heaters
ZA717878B
(en )
1972-08-30
Improvements in or relating to heat-exchangers
ZA712556B
(en )
1972-01-26
Improvements in or relating to pipes
ZA713561B
(en )
1972-01-26
Improvement in or relating to furnaces
ZA717424B
(en )
1972-07-26
Improvements in and relating to seating units
IE34543B1
(en )
1975-06-11
Improvements in and relating to heating installations
IE34872B1
(en )
1975-09-03
Improvements in and relating to watchstraps
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
IE36462B1
(en )
1976-11-10
Improvements in and relating to cowls
ZA701371B
(en )
1971-05-27
Improvements in and relating to pivotal connections
MTP661B
(en )
1971-02-08
Improvements in and relating to wired broadcasting systems
ZA715416B
(en )
1973-03-28
Improvements in and relating to solar water heaters
ZA701397B
(en )
1971-04-28
Improvements in balustrading and burglar-proofing
ZA704010B
(en )
1971-08-25
Improvements in solar heaters