AU102342B2
(en )
1937-11-04
Improvements in or relating to rotary vacuum pumps
AU102792B2
(en )
1938-01-13
Improvements in or relating to rotary vacuum pumps
AU445236A
(en )
1937-11-04
Improvements in or relating to rotary vacuum pumps
AU530436A
(en )
1938-01-13
Improvements in or relating to rotary vacuum pumps
AU102735B2
(en )
1936-05-12
Improvements in and relating to rotary pumps
AU101059B2
(en )
1937-05-27
Improvements in or relating to vacuum cleaners
AU102273B2
(en )
1937-10-02
Improvements in or relating to centrifugal pumps
AU103243B2
(en )
1936-09-13
Improvements in or relating to centrifugal pumps
AU180736A
(en )
1936-05-12
Improvements in and relating to rotary pumps
AU190936A
(en )
1937-05-27
Improvements in or relating to vacuum cleaners
AU100450B2
(en )
1937-03-18
Improvements in or relating to multiple-piston reciprocating pumps
AU429336A
(en )
1937-10-02
Improvements in or relating to centrifugal pumps
AU220536A
(en )
1936-09-13
Improvements in or relating to centrifugal pumps
AU103110B2
(en )
1938-02-10
Improvements in or relating to displacement pumps
AU116836A
(en )
1936-12-24
Improvements in or relating to reciprocating pumps
AU82836A
(en )
1937-03-18
Improvements in or relating to multiple-piston reciprocating pumps
AU101427B2
(en )
Improvements in or relating to grease pumps
AU2384935A
(en )
1936-05-21
Improvements in or relating to vacuum cleaners
CA359157A
(en )
1936-07-14
Rotary pump
AU2457435A
(en )
1936-05-21
Improvements in or relating to suction cleaners
CA356180A
(en )
1936-02-25
Vacuum pump
CA362657A
(en )
1936-12-15
Vacuum pump
AU102719B2
(en )
1937-12-23
Improvements in or relating to vacuum pans
AU102535B2
(en )
1937-12-02
Improvements in or relating to photosculpture
AU102709B2
(en )
1937-12-23
Improvements in or relating to telegraphones