CH257958A
(en )
1948-10-31
Device for adjusting the blades of a propeller.
DK76735C
(en )
1953-11-23
Device for ship propellers with oil-filled hub and with swivel blades.
CH260478A
(en )
1949-03-15
Propeller hub with adjustable blades during operation.
DK80106C
(en )
1955-11-07
Device for ship propellers with rotating blades.
DK87048C
(en )
1959-03-16
Hub for ship propellers with swivel blades.
DK103710C
(en )
1966-02-07
Ship propeller with adjustable blades.
DK72929C
(en )
1951-08-13
Device for ship propellers with rotating propeller blades.
DK73103C
(en )
1951-09-17
Device for ship propellers with rotating blades.
FR949864A
(en )
1949-09-12
Improvements made to de-icing devices, in particular for propeller blades
DK83777C
(en )
1957-10-28
Ship propeller with swivel blades.
CH250260A
(en )
1947-08-15
Device for adjusting the blades of a propeller.
CH272376A
(en )
1950-12-15
Device for the hydraulic adjustment of propeller blades.
DK90879C
(en )
1961-05-08
Ship propeller with adjustable propeller blades.
DK103545C
(en )
1966-01-17
Ship propeller with three or more adjustable blades.
CH283301A
(en )
1952-05-31
Propulsion device, especially on ships.
CH281016A
(en )
1952-02-15
Device for preventing the ingress of sea water into the hub of propellers with adjustable blades.
AT167482B
(en )
1951-01-10
Arrangement for propellers with rotating blades
FR889880A
(en )
1944-01-21
Propulsion blade for swimmer
DK69968C
(en )
1949-09-26
Device by hub for ship propellers or turbine wheels with rotating blades.
FR1005805A
(en )
1952-04-16
Safety razor with rotating blades
ES34947Y
(en )
1953-07-16
Propeller with self-protected blades for fan
CH239318A
(en )
1945-09-30
Propeller with rotating blades.
CH268367A
(en )
1950-05-15
Driving device with rotating blades for small watercraft.
ES15267Y
(en )
1948-01-16
Apparatus for sharpening razor blades.
CH278349A
(en )
1951-10-15
Razor blade puller.