CA440385A
(fr )
1947-03-25
Matiere calorifuge
CA439228A
(fr )
1947-01-14
Matiere dielectrique
CA439229A
(fr )
1947-01-14
Matiere dielectrique
CA439932A
(fr )
1947-02-25
Matiere dielectrique
CA439933A
(fr )
1947-02-25
Matiere dielectrique
CA445787A
(fr )
1947-12-23
Matiere d'isolement electrique
CA444680A
(fr )
1947-10-21
Matiere tres dielectrique
CA440578A
(fr )
1947-04-01
Isolateur
CA444114A
(fr )
1947-09-16
Isolateur
CA439674A
(fr )
1947-02-11
Matiere de contact
CA434182A
(fr )
1946-04-16
Matiere isolante
CA434540A
(fr )
1946-05-07
Produit isolant
CA434987A
(fr )
1946-05-28
Matiere isolante
CA439316A
(fr )
1947-01-21
Systeme d'isolation
CA439761A
(fr )
1947-02-18
Isolement
CA442896A
(fr )
1947-07-15
Isolement
CA434601A
(fr )
1946-05-07
Matiere isolante
CA441580A
(fr )
1947-05-20
Fabrication de tetes de fusibles electriques
CA440878A
(fr )
1947-04-22
Matiere luminescente
CA439789A
(fr )
1947-02-18
Matiere luminescente
CA442486A
(fr )
1947-06-24
Matiere luminescente
CA442488A
(fr )
1947-06-24
Matiere luminescente
CA440879A
(fr )
1947-04-22
Matiere luminescente
CA439740A
(fr )
1947-02-18
Matiere luminescente
CA445585A
(fr )
1947-12-16
Materiau de construction