CA404101A
(fr )
1942-04-14
Four a reverbere
CA406963A
(fr )
1942-08-25
Refractaire
CA404767A
(fr )
1942-05-19
Refractaire basique
CA405488A
(fr )
1942-06-16
Four electrique
CA408832A
(fr )
1942-11-24
Four electrique
CA405371A
(fr )
1942-06-09
Four a calciner
CA409539A
(fr )
1942-12-22
Dispositif de voute de four
CA409479A
(fr )
1942-12-22
Paroi de four
CA408397A
(fr )
1942-11-03
Radiateur de fournaise
CA409006A
(fr )
1942-12-01
Four a calciner a soles multiples
CA414645A
(fr )
1943-08-24
Four a reverbere
CA414706A
(fr )
1943-08-24
Four a reverbere
CA406633A
(fr )
1942-08-11
Four a chaux
AU117849B2
(en )
1943-12-16
Improvements relating to furnaces
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
CA402427A
(fr )
1942-01-20
Four a verre
CA406591A
(fr )
1942-08-04
Composition refractaire
CA407753A
(fr )
1942-09-29
Four a charbon de bois
CA408662A
(fr )
1942-11-17
Verre refractaire
CA406472A
(fr )
1942-08-04
Four a reduction de metaux
CA406829A
(fr )
1942-08-18
Refractaire coule
CA405612A
(fr )
1942-06-23
Bloc de tuyere