CA472872A
(fr )
1951-04-17
Chauffe-liquides
CA473394A
(fr )
1951-05-08
Chauffe-eau
CA474065A
(fr )
1951-05-29
Radiateurs
CA472936A
(fr )
1951-04-17
Chauffe-eau
CA474350A
(fr )
1951-06-12
Chauffe-eau
CA476498A
(fr )
1951-08-28
Chauffe-eau
CA476499A
(fr )
1951-08-28
Chauffe-eau
AU166149B2
(en )
1952-05-01
Water heater
CA470863A
(fr )
1951-01-16
Chauffe-eau
AU290951A
(en )
1952-05-01
Water heater
AU157359B2
(en )
1952-09-25
An improved water heater
AU522851A
(en )
1952-09-25
An improved water heater
CA474709A
(fr )
1951-06-26
Chauffe-eau electriques
CA476569A
(fr )
1951-08-28
Chauffe-eau de laiterie
CA473653A
(fr )
1951-05-15
Chauffe-eau a vapeur
AU157948B2
(en )
1952-11-13
Electric water heater
CA474803A
(fr )
1951-06-26
Radiateurs
CA472033A
(fr )
1951-03-13
Radiateurs
AU153147B2
(en )
1951-04-05
Improvements in water heaters
CA476211A
(fr )
1951-08-21
Chaudieres de chauffage d'eau a deux fins
CA471637A
(fr )
1951-02-20
Rechauffeurs
CA476054A
(fr )
1951-08-14
Structures de radiateurs
CA474059A
(fr )
1951-05-29
Raccords de reservoirs a eau chaude
AU157209B2
(en )
1951-11-01
Improved water heating apparatus
AU698151A
(en )
1952-11-13
Electric water heater