BE352831A
(en )
1928-08-31
Improvements to burners for pulverized fuel
FR658924A
(en )
1929-06-21
Improvements relating to burners for pulverized fuels
FR626492A
(en )
1927-09-07
Pulverized fuel burner
FR575400A
(en )
1924-07-29
Improvements to pulverized fuel burners
FR654303A
(en )
1929-04-04
Improvements to burners for pulverized fuels
BE353493A
(en )
1928-09-29
Improvements relating to burners for pulverized fuels
FR644891A
(en )
1928-10-16
Improvements to pulverized fuel burners
FR692340A
(en )
1930-11-04
Improvements to burners for pulverized fuel
FR624824A
(en )
1927-07-27
Improvements to gaseous fuel burners
FR638308A
(en )
1928-05-22
Advanced burner for pulverized fuels
FR684348A
(en )
1930-06-24
Improvements to pulverized fuel burners
FR696713A
(en )
1931-01-06
Improvements to pulverized fuel burners
BE364717A
(en )
1929-11-30
Improvements to pulverized fuel burners
FR631127A
(en )
1927-12-15
Improvements to boilers for fuel burning devices
FR676944A
(en )
1930-02-28
Improvements to pulverized fuel burners
FR624760A
(en )
1927-07-26
Improvements to fireplaces for pulverized fuels
BE361321A
(en )
1929-07-31
Improvements to pulverized fuel burners
FR664402A
(en )
1929-09-03
Improvements to cooled burners for pulverized fuel fireplaces
FR620869A
(en )
1927-04-30
Improvements to liquid fuel burners
FR624180A
(en )
1927-07-09
Improvements to liquid fuel burners
FR622936A
(en )
1927-06-09
Improvements to liquid fuel burners
FR617409A
(en )
1927-02-19
Improvements to liquid fuel burners
FR564088A
(en )
1923-12-20
Improvements to fireplaces for pulverized fuel
FR564235A
(en )
1923-12-24
Improvements to fireplaces for pulverized fuel
FR656430A
(en )
1929-05-07
Improvements in burners for pulverized fuel