MX152156A
(en )
1985-05-31
IMPROVEMENTS IN SOLAR WATER HEATER BY THERMOSIFON
BR8006580A
(en )
1981-04-14
PERFECTING IN ELECTRIC APPLIANCE FOR HEATING LIQUID
BR6000506U
(en )
1982-01-05
REPLACEMENT ELECTRIC RESISTANCE PACKAGING FOR WATER HEATERS IN GENERAL
BR5901754U
(en )
1981-06-23
REPLACEMENT ELECTRIC RESISTANCE PACKAGING FOR WATER HEATING DEVICES IN GENERAL
ES290464Y
(en )
1986-10-16
ELECTRIC APPARATUS, IN PARTICULAR AN ELECTRICAL WATER HEATER
ES255726Y
(en )
1982-04-01
SAFETY GROUP FOR ELECTRIC WATER HEATERS
BR8500262A
(en )
1986-09-02
ELECTRIC RESISTANCE PROVISIONS FOR WATER HEATERS
BR8502742A
(en )
1987-01-13
ELECTRIC RESISTANCE PROVISIONS FOR WATER HEATERS
BR8007605A
(en )
1981-03-24
IMPROVEMENTS IN WATER SUPPLY MACHINES
PT7379U
(en )
1986-07-22
ELECTRIC WATER HEATER
BR5601395U
(en )
1978-06-20
FITTINGS FOR ELECTRIC RESISTANCE IN WATER HEATING DEVICES
BR8000813A
(en )
1981-08-11
FIXING MEANS IN ELECTRIC HEATERS
BR8005171A
(en )
1982-04-13
PERFECTING IN ELECTRIC TOASTER
BR8005311A
(en )
1982-04-20
PERFECTING IN ELECTRIC TOASTER
BR8005237A
(en )
1982-04-20
PERFECTING IN ELECTRIC TOASTER
BR8005173A
(en )
1982-04-13
PERFECTING IN ELECTRIC TOASTER
BR8005172A
(en )
1982-04-13
PERFECTING IN ELECTRIC TOASTER
ES506613A0
(en )
1982-08-16
IMPROVEMENTS IN FACILITIES FOR HEATING
BR6001379U
(en )
1981-02-17
PERFECTING IN SOLAR HEATER
BR8001209A
(en )
1981-09-01
SEMIPARABOLIC COLLECTOR FOR WATER HEATING
BR5900160U
(en )
1980-09-16
ELECTRIC WATER HEATER
BR6301600U
(en )
1985-06-04
ELECTRIC FLUID HEATER
BR8205273A
(en )
1984-04-17
PERFECTING IN HEATER
JPS56129921A
(en )
1981-10-12
Power controller for resistance type heater
BR8106073A
(en )
1983-05-03
PERFECTING IN ELECTRONIC ELECTRONIC WATER HEATER