CY109A
(en )
1954-01-27
Improvements in or relating to the manufacture of derivatives of 3:5-dioxo-pyrazolidine
GB651039A
(en )
1951-03-07
Improvements in and relating to valves
GB662716A
(en )
1951-12-12
Improvements in or relating to hinges
MY5400015A
(en )
1954-12-31
Improvements in or relating to the production of nitrophenyl-amido acetophenones and derivatives thereof
AU141722B2
(en )
Improvements in or relating to the production of dinitrohexachlorobutanes
AU143330B2
(en )
1948-07-15
Improvements in or relating to drill rods and processes or making thesame
GB641131A
(en )
1950-08-02
Improvements in or relating to pyrometers
AU2101948A
(en )
1948-07-15
Improvements in or relating to drill rods and processes or making thesame
AU141182B2
(en )
1949-05-12
Improvements in and relating to disk-harrows
GB655711A
(en )
1951-08-01
Improvements in or relating to valves
AU140755B2
(en )
1949-10-06
Improvements in or relating to jigs and their construction
AU139452B2
(en )
1948-09-23
Improvements in and relating to the shaping and / or contracting of cylindrical articles
AU144674B2
(en )
1948-11-18
Improvements in and relating to locks
AU141254B2
(en )
1949-10-06
Improvements in or relating to cloches
GB648122A
(en )
1950-12-28
Improvements in or relating to binnacles
AU2054048A
(en )
1949-05-12
Improvements in and relating to disk-harrows
AU146036B2
(en )
1948-11-18
Improvements in and relating tothe production of ketenes
AU144714B2
(en )
1949-01-13
Improvements in and relating tothe production of zinc
AU141768B2
(en )
1948-04-29
Improvements in or relating tothe production of melamine
AU139221B2
(en )
1948-02-19
Improvements in or relating to the manufacture of the phenolalciehyde type of resins
AU2417748A
(en )
1949-10-06
Improvements in or relating to jigs and their construction
AU142370B2
(en )
1949-09-29
Improvements in and relating to combines
AU2273248A
(en )
1948-09-23
Improvements in and relating to the shaping and / or contracting of cylindrical articles
AU143916B2
(en )
1948-03-25
Improvements in or relating to preparation of dialkyldihalogenosilanes
ES183077A1
(en )
1949-01-01
IMPROVEMENTS IN THE MANUFACTURE OF ZIPPER CLOSURES