Improvements in compressed air respiratory apparatus with armor to carry on the back. (Machine-translation by Google Translate, not legally binding)
DE1188473B
Sieve-like fixed knife intended for the shaving head of dry razors
ES273662A1
Improvements in the manufacture of cutting blades for dry shaving apparatus (Machine-translation by Google Translate, not legally binding)
ES236688A1
Improvements in apparatus for dry shaving. (Machine-translation by Google Translate, not legally binding)
ES228765A1
Electromagnetically powered oscillating induced motor with alternate current or continuous intermittent current (Machine-translation by Google Translate, not legally binding)