CA402136A
(fr )
1942-01-13
Appareil a fabriquer la laine de verre
CA402775A
(fr )
1942-02-10
Verre filamente
CA403408A
(fr )
1942-03-10
Verre antigivre
CA403722A
(fr )
1942-03-24
Teinture a laine
CA402427A
(fr )
1942-01-20
Four a verre
CA404998A
(fr )
1942-05-26
Chalumeau
CA405486A
(fr )
1942-06-16
Chalumeau
CA403629A
(fr )
1942-03-24
Chalumeau
CA407462A
(fr )
1942-09-15
Laine minerale
CA407322A
(fr )
1942-09-08
Traitement de la laine
CA407401A
(fr )
1942-09-15
Unite de construction
CA408662A
(fr )
1942-11-17
Verre refractaire
CA405150A
(fr )
1942-06-02
Laine minerale
CA405871A
(fr )
1942-07-07
Bidon
CA409388A
(fr )
1942-12-15
Virole
CA409335A
(fr )
1942-12-15
Glace a lamelles multiples
CA407252A
(fr )
1942-09-08
Composition vitreuse
CA404426A
(fr )
1942-04-28
Poele
CA402641A
(fr )
1942-02-03
Poele
CA404731A
(fr )
1942-05-12
Poele
CA403466A
(fr )
1942-03-17
Structure mixte a teneur de resine
CA404463A
(fr )
1942-05-05
Batisse
CA407855A
(fr )
1942-10-06
Appareil a faire des nattes en laine de verre
CA408488A
(fr )
1942-11-10
Verre luminescent
CA403745A
(fr )
1942-03-31
Unite de bardeau