CA408662A
(fr )
1942-11-17
Verre refractaire
CA402427A
(fr )
1942-01-20
Four a verre
CA406963A
(fr )
1942-08-25
Refractaire
CA404767A
(fr )
1942-05-19
Refractaire basique
CA407469A
(fr )
1942-09-15
Four electrique a verre
CA403629A
(fr )
1942-03-24
Chalumeau
CA404998A
(fr )
1942-05-26
Chalumeau
CA405486A
(fr )
1942-06-16
Chalumeau
CA406591A
(fr )
1942-08-04
Composition refractaire
CA408488A
(fr )
1942-11-10
Verre luminescent
CA409539A
(fr )
1942-12-22
Dispositif de voute de four
CA407252A
(fr )
1942-09-08
Composition vitreuse
CA402514A
(fr )
1942-01-27
Laine de verre
CA403654A
(fr )
1942-03-24
Refractaire dentaire
CA402729A
(fr )
1942-02-10
Paroi de four
CA402914A
(fr )
1942-02-17
Paroi de four
CA402915A
(fr )
1942-02-17
Paroi de four
CA402916A
(fr )
1942-02-17
Paroi de four
CA403408A
(fr )
1942-03-10
Verre antigivre
CA402787A
(fr )
1942-02-10
Mecanisme, a souffler les objets de verre
CA406062A
(fr )
1942-07-14
Produit refractaire
CA403343A
(fr )
1942-03-10
Fournaise a laitier
CA403138A
(fr )
1942-02-24
Fabrication de verre multicellulaire
CA409198A
(fr )
1942-12-08
Appareil a former des objets de verre
CA404101A
(fr )
1942-04-14
Four a reverbere