AU1155319A
(en )
1920-02-03
Improvements in or relating to furnaces
AU1155419A
(en )
1920-02-03
Improvements in or relating to furnaces
AU1051419A
(en )
1920-09-07
Improvements in furnacs Improvements in furnaces
AU336221A
(en )
1921-10-08
Improvement in furnaces
AU231184B2
(en )
1919-02-11
Improvements in or relating to mechanical stokers
AU1856320A
(en )
1921-09-27
Improvements in or relating to furnaces
AU1856420A
(en )
1921-09-27
Improvements in or relating to furnaces
AU1911120A
(en )
1921-03-19
Improvements in or relating to furnaces
AU230960B2
(en )
1919-10-23
Improvements in or relating to amino-triazol derivatives
AU5147759A
(en )
1919-02-11
Improvements in or relating to mechanical stokers
AU1248219A
(en )
1920-03-01
Improvements in or relating to domestic heating--and cooking-apparatus
AU3729058A
(en )
1919-10-23
Improvements in or relating to amino-triazol derivatives
AU419621A
(en )
1922-04-04
Improvements in or relating to furnaces
AU1368619A
(en )
1920-05-15
Improvements in or relating to retorts andthe like
AU1561920A
(en )
1920-05-29
Improvements in burners
GB139680A
(en )
1920-03-11
Improvements in or relating to hollow-ware
AU1422920A
(en )
1920-05-08
Improvements in or relating to books
AU1068819A
(en )
1919-12-09
Improvements in or relating to casting type
AU1658720A
(en )
1920-07-12
Improvements in or relating to magnetic ring-separators
AU1364619A
(en )
1921-05-31
Improvements in or relating to cranes
AU1350219A
(en )
1920-01-23
Improvements in or relating to electric-motor control-systems
AU1305619A
(en )
1920-08-03
Improvements in furnace control
AU1354619A
(en )
1921-09-17
Improvements in blowpipes
AU1480420A
(en )
1920-03-20
Improvements in blowpipes
AU2520925A
(en )
1920-02-09
Improvements in or relating to rotary furnaces