FR1208869A
(en )
1960-02-26
Improvements relating to polyphosphates
GB827761A
(en )
1960-02-10
Improvements in or relating to frequency-detectors
GB821574A
(en )
1959-10-07
Improvements in or relating to dust-separators
MY6100071A
(en )
1961-12-31
Improvements in or relating to the distillation of organic acid mixtures
FR1174789A
(en )
1959-03-16
Improvements to servo-steering
GB799556A
(en )
1958-08-13
Improvements in or relating to ships
MY6500090A
(en )
1965-12-31
Improvements in or relating to the moulding of concrete components
GB837201A
(en )
1960-06-09
Improvements in or relating to radar displays
AU227233B2
(en )
1958-03-15
Improvements in or relating to organic compounds
MY6500092A
(en )
1965-12-31
Improvements in or relating to the defining of crude iron
AU221341B2
(en )
1957-05-30
Improvements in or relating to organoperoxy compounds
AU1223166A
(en )
1968-04-11
Improvements in or relating to organic compounds
GB837092A
(en )
1960-06-09
Improvements in or relating to antennae
AU211551B2
(en )
1956-03-29
Improvements in or relating to organic esters
GB778504A
(en )
1957-07-10
Improvements relating to crankshafts
IE22400L
(en )
1955-12-16
Improvements in or relating to the manufacture of shortening
AU214550B2
(en )
1957-01-03
Improvements in or relating to organic sijoxane polishes
GB820879A
(en )
1959-09-30
Improvements in or relating to plansifters
AU210232B2
(en )
1955-08-25
Improvements in or relating to diquaternary compounds
AU3108257A
(en )
1958-03-15
Improvements in or relating to organic compounds
AU207391B2
(en )
1956-08-23
Improvements in or relating to fastening devices for shoes
AU2357956A
(en )
1957-05-30
Improvements in or relating to organoperoxy compounds
AU1114755A
(en )
1956-03-29
Improvements in or relating to organic esters
AU216006B2
(en )
1957-04-04
Improvements in or relating to organic reactors
AU216196B2
(en )
1957-05-16
Improvements in or relating to fastening devices