IE18541L
(en )
1949-09-10
Improvements in or relating to apparatus for working the¹ground
GB648123A
(en )
1950-12-28
Improvements in or relating to drafting machines
GB645464A
(en )
1950-11-01
Improvements in or relating to interference microscope
AU144715B2
(en )
1949-03-03
Improvements in or relating to object location apparatus
AU139504B2
(en )
1948-07-22
Improvements in or relating to washing apparatus for hollowware
AU2508448A
(en )
1949-03-03
Improvements in or relating to object location apparatus
GB674937A
(en )
1952-07-02
Improvements in or relating to means for secret nailing
GB643920A
(en )
1950-09-27
Improvements in or relating to valve apparatus
GB651903A
(en )
1951-04-11
Improvements in or relating to tar spraying apparatus
AU2070848A
(en )
1948-07-22
Improvements in or relating to washing apparatus for hollowware
AU140343B2
(en )
1949-02-10
Improvements in or relating to apparatus for working the ground
AU138783B2
(en )
1948-09-16
Improvements in or relating to gauging apparatus
GB649218A
(en )
1951-01-24
Improvements in or relating to optical objectives
GB641069A
(en )
1950-08-02
Improvements in or relating to optical objectives
AU144605B2
(en )
1948-04-15
Improvements in or relating to computing apparatus
AU148888B2
(en )
1948-12-09
Improvements in or relating to dlynamoelectric machines
GB648122A
(en )
1950-12-28
Improvements in or relating to binnacles
AU142209B2
(en )
1948-07-08
Improvements in or relating to stabilising apparatus
GB669119A
(en )
1952-03-26
Improvements in or relating to manifolding machines
AU139257B2
(en )
1948-04-15
Improvements in or relating to calculating machines
AU142354B2
(en )
1948-04-15
Improvements in or relating to calculating machines
AU142531B2
(en )
1948-07-01
Improvements in or relating to dry-shaving apparatus
AU2476948A
(en )
1949-02-10
Improvements in or relating to apparatus for working the ground
AU2184248A
(en )
1948-09-16
Improvements in or relating to gauging apparatus
AU141180B2
(en )
Improvements in or relating to computing or indicating apparatus