FR562235A
(en )
1923-11-07
Further training in crushers
AT91102B
(en )
1923-02-10
Device to reduce the scatter in transformers that can be regulated by turning off and on turns.
FR22806E
(en )
1921-08-23
Improvements in bain-marie
FR552192A
(en )
1923-04-25
Improvements in the cases
CH110337A
(en )
1925-08-01
Securing device to prevent the unintentional turning back of screw nuts and screw heads.
FR592109A
(en )
1925-07-28
Improvement of the veranda of boats and in particular the veranda of boats equipped with tanks
FR553061A
(en )
1923-05-12
Improvements in transport mechanisms
FR553914A
(en )
1923-06-01
Improvements to the valves
GB180128A
(en )
1922-05-25
Improvements in or relating to control mechanism for gramophones and the like
GB188421A
(en )
1922-11-16
Improvements in photometers and the like
FR623736A
(en )
1927-06-29
Further training in tank trucks
GB175834A
(en )
1922-03-02
Improvements in kinematograph cameras and the like
GB188029A
(en )
1922-10-23
Improvements in gramophones and the like
FR513521A
(en )
1921-02-17
Advanced training in big end
FR25878E
(en )
1923-06-22
Advanced training in crankshafts
FR522565A
(en )
1921-08-02
Further training in gimping trades
FR567132A
(en )
1924-02-25
Further training in self-unloading wagons
FR554705A
(en )
1923-06-15
Improvements to valves and taps
FR532490A
(en )
1922-02-04
Training in towers and towers
FR528947A
(en )
1921-11-21
Improvements to sample envelopes and the like
GB188177A
(en )
1922-11-09
Improvements in or relating to gramophones and the like
GB166321A
(en )
1921-07-07
Improvements in or relating to gramophones and the like
AU1519420B
(en )
1920-10-26
Improvements in or relating to automatic switching mechanism for use more particularly in telephone and like systems
AU1545620A
(en )
1921-06-21
Improvements in and relating to animal drinking troughs
ES88453A1
(en )
1924-04-16
Improvements in cork agglomerates and their manufacture.