GB544375A
(en )
1942-04-10
Improvements in or relating to pumps
AU109990B2
(en )
1940-03-14
Improvements in or relating to reciprocating pumps
AU46039A
(en )
1940-03-14
Improvements in or relating to reciprocating pumps
AU101862B2
(en )
1937-09-02
Improvements in or relating to reciprocating pumps
AU113439B2
(en )
1941-07-17
Improvements in or relating to reciprocating pumps
AU32837A
(en )
1937-09-02
Improvements in or relating to reciprocating pumps
AU223940A
(en )
1941-07-17
Improvements in or relating to reciprocating pumps
AU107234B2
(en )
1939-05-04
Improvements in or relating to pumps for liquids
AU109490B2
(en )
1940-01-18
Improvements in and relating to pumps
AU109381B2
(en )
1940-01-11
Improvements in and relating to pumps
AU111616B2
(en )
1940-10-10
Improvements in pumps
AU114341B2
(en )
1941-12-03
Improvements in or relating to reciprocating pumps
AU111821B2
(en )
Improvements in or relating to water pumping devices
AU108243B2
(en )
1939-08-24
Improvements in or relating to pistons andthe like
AU159238A
(en )
1939-05-04
Improvements in or relating to pumps for liquids
AU100450B2
(en )
1937-03-18
Improvements in or relating to multiple-piston reciprocating pumps
AU303639A
(en )
1940-01-11
Improvements in and relating to pumps
AU303539A
(en )
1940-01-18
Improvements in and relating to pumps
AU110310B2
(en )
1940-04-18
Improvements in double-acting well pumps
AU450639A
(en )
1940-10-10
Improvements in pumps
AU209541A
(en )
1941-12-03
Improvements in or relating to reciprocating pumps
AU337338A
(en )
1939-08-24
Improvements in or relating to pistons andthe like
AU103110B2
(en )
1938-02-10
Improvements in or relating to displacement pumps
AU107000B2
(en )
Improvements in and relating to pumps
AU105295B2
(en )
Improvements in or relating to rotary pumps