GB641754A
(en )
1950-08-16
Improvements in or relating to valves
AU129350B2
(en )
1947-06-05
Improvements in or relating to thermionic valves
AU1256144A
(en )
1947-06-05
Improvements in or relating to thermionic valves
CA420691A
(en )
1944-06-06
Valve
GB653266A
(en )
1951-05-09
Improvements in or relating to valves
AU121741B2
(en )
Improvements in/or relating to flux valves
AU118654B2
(en )
1944-07-06
Improvements in or relating to sparking-plugs
AU124295B2
(en )
1947-06-05
Improvements in or relating to screw-presses
AU127317B2
(en )
1948-04-22
Improvements in or relating to thermionic valves
AU122411B2
(en )
1946-10-17
Improvements in nonreturn valves
AU122818B2
(en )
1946-11-28
Improvements in or relating to compressors
AU124810B2
(en )
1947-07-17
Improvements in the construction of thermionic grid-controlled valves
AU124154B2
(en )
1947-05-15
Improvements in or relating to planters
AU127383B2
(en )
1944-11-24
Improvements in or relating to seating arrangements
AU128221B2
(en )
1948-07-22
Improvements in or relating to chairs
AU122949B2
(en )
1946-12-12
Improvements in hobbles
AU123232B2
(en )
1947-01-23
Improvements in handlooms
AU123873B2
(en )
1947-04-03
Improvements in washfountains
AU124825B2
(en )
1947-07-24
Improvements in washfountains
AU122911B2
(en )
1946-12-12
Improvements in and relating to valves
AU122028B2
(en )
Improvements in or relating to refrigerators
AU1512344A
(en )
1947-06-05
Improvements in or relating to screw-presses
AU780442A
(en )
1944-07-06
Improvements in or relating to sparking-plugs
AU122294B2
(en )
1944-01-17
improvements in condenser-resistor combination
AU121467B2
(en )
Improvements in or relating to silencers