CH311152A
(en )
1955-11-30
Device for curling webs.
CH310354A
(en )
1955-10-15
Device for preventing the flashback of explosions in gas pipes.
AT190616B
(en )
1957-07-10
Device for preheating the oil for medium and heavy oil burners
CH307619A
(en )
1955-06-15
Method and device for filtering liquids.
FR1074904A
(en )
1954-10-11
Lighter valve
AT189982B
(en )
1957-05-25
Shaft furnace for burning cement and the like like
CH311266A
(en )
1955-11-30
Device for monitoring dimensions.
AT193056B
(en )
1957-11-25
Pressure oil burner unit for heavy oil
CH304026A
(en )
1954-12-31
Purifier for gaseous fluid.
AT185917B
(en )
1956-06-25
Burner nozzle for heavy oil
AT172457B
(en )
1952-09-10
Device for preheating combustion air for stoves etc. like
CH312762A
(en )
1956-02-29
Oil shut-off device
AT178057B
(en )
1954-04-10
Device for heating ring furnaces
AT183065B
(en )
1955-09-10
Device for binding documents u. like
AT184392B
(en )
1956-01-10
Device for changing the flint pyrophoric lighters
AT183857B
(en )
1955-11-25
Pressure oil burner for heating oils of the highest viscosity with preheating of the oil
AT185529B
(en )
1956-05-11
Device for slidably holding and guiding curtains u. like
ES32712Y
(en )
1956-01-01
Heavy oil burner
DE1700263U
(en )
1955-06-08
BURNER FOR AUTOGENIC CUTTING.
FR1084881A
(en )
1955-01-25
gaseous fluid heater
CH324504A
(en )
1957-09-30
Fluid purifier
AT187122B
(en )
1956-10-25
Device for excluding lines for writing works
FR1099660A
(en )
1955-09-08
Hydrocarbon cracking
GR14222B
(en )
1953-02-20
PORTABLE HEATING STOVE FOR CRUDE OIL.
DK83422C
(en )
1957-09-02
Hydrocarbon burner.