GB511796A
(en )
1939-08-24
Improvements in or relating to television transmitters
AU106207B2
(en )
1939-01-12
Improvements in continuous vertical carbonising retorts
AU245638A
(en )
1939-01-12
Improvements in continuous vertical carbonising retorts
AU100106B2
(en )
1937-01-02
Improvements, in vertical carbonising retorts
AU103926B2
(en )
1938-05-19
Improvements in vertical carbonising, retorts
AU108323B2
(en )
1939-08-31
Improvement in underfired coke ovens
AU178736A
(en )
1937-01-02
Improvements, in vertical carbonising retorts
AU181737A
(en )
1938-05-19
Improvements in vertical carbonising, retorts
AU107337B2
(en )
1939-05-18
Improvements in or relating to coke ovens
AU515738A
(en )
1939-08-31
Improvement in underfired coke ovens
AU108288B2
(en )
1939-08-31
Improvements in and relating tothe operation of vertical carbonising retorts
CA377392A
(en )
1938-11-01
Electrolytic composition
AU108028B2
(en )
1939-08-03
Improvements in or relating to furnace apparatus
AU420238A
(en )
1939-05-18
Improvements in or relating to coke ovens
AU16339A
(en )
1939-08-31
Improvements in and relating tothe operation of vertical carbonising retorts
CA372018A
(en )
1938-02-22
Coal tar composition
CA375255A
(en )
1938-07-19
Electrolytic apparatus
AU20238A
(en )
1939-08-03
Improvements in or relating to furnace apparatus
AU107861B2
(en )
1939-07-13
Improvements in or relating to filaturing or silk-reeling apparatus
CA363733A
(en )
1937-01-26
Vertical retort
CA376681A
(en )
1938-09-27
Wood coke
CA373034A
(en )
1938-04-12
Electrolytic device
CA372664A
(en )
1938-03-22
Basic refractory
AU108387B2
(en )
1939-09-07
Improvements in or relating to scraping apparatus
AU108040B2
(en )
1939-08-03
Improvements in totalizators