US1985184A - Torpedo tube - Google Patents
Torpedo tube Download PDFInfo
- Publication number
- US1985184A US1985184A US657848A US65784833A US1985184A US 1985184 A US1985184 A US 1985184A US 657848 A US657848 A US 657848A US 65784833 A US65784833 A US 65784833A US 1985184 A US1985184 A US 1985184A
- Authority
- US
- United States
- Prior art keywords
- tube
- piston
- torpedo
- elements
- ejection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/08—Rocket or torpedo launchers for marine torpedoes
- F41F3/10—Rocket or torpedo launchers for marine torpedoes from below the surface of the water
Definitions
- This invention relates to a device for ejecting torpedoes from a torpedo tube by means of air or another fluid under pressure.
- This device is of the well known type comprising a free piston movable in the tube, on the rear face of which acts the ejection fluid, whilst with its front face it drives before it the torpedo with the rear end of which it is in contact.
- the present invention makes it possible to effect the ejection or discharge by means of a free piston without it being necessary to use a torpedo tube with a bored-out inner wall.
- the invention presents the additional important advantage of reducing to a considerable extentthe quantity of air required for the ejection for a given tube.
- the free piston is constituted by a series of elements telescopically mounted within each other, stops of any desired suitable kind being provided at a suitable intermediate point of the torpedo tube for arresting the rear element of this piston during the ejection.
- the chamber which is freed by this piston driving the torpedo in front of it has the total cross-section of the tube only from the point of departure of the piston to the point where its rear element comes in contact with the intermediate'stops.
- the rear element being constituted by a sheath in which are mounted the sheaths of the successive front elements and by a circumferential obturator disc, the ejecting fluid has in front of it, beyond the sheath of the rear element, only a chamber to be filled gradually which is reduced to the diameter of this sheath, and then to the successive diameters of the front elements.
- the telescopic piston will have completely developed or extended.
- the ejection fluid will have filled the inner chamber of the piston.
- the annular space between this chamber and the wall of the torpedo tube will form at the same time an expansion chamber for the ejection fluid escaping past the rear obturator disc and held back by the front obturator disc carried by the front tubular element of the telescopic piston, the fluid which has expanded in this annular chamber or chambers will balance the counter-pressure of the water on the front disc, which would tend to bring the piston back to its original contracted position.
- this device like all the devices .with a free piston of the well known type, has the advantage of avoiding any considerable formation of bubbles of the ejection fluid which reveal to the enemy the presence of a submarine or other vessel when the device is used for submerged tubes.
- Figure 1 shows diagrammatically in longitudinal section, partly in elevation, a general arrangement showing the free telescopic piston in its starting position in a torpedo tube.
- Figure 2 is a similar section, partly in elevation, showing the telescopic piston expanded at the end of its travel.
- Figure 3 is a longitudinal section on an enlarged scale of the piston in its contracted position, or, in other words, of the position in which the elements are pushed completely within each other.
- Figure 4 is a transverse sectional elevation on line IV-IV of Figure 1 on the same scale as Figure 3, showing the head of the piston, or, in other words, the disc carried by the front element of this piston.
- Figure 5 is a similar sectional elevation on line V-V of Figure 1, showing the obturator disc carried by the rear element of the telescopic piston and the wedging members for arresting the said element at the intermediate stops.
- Figure 6 is a sectional elevation on line VI--VI of Figure 5, showing the arresting members in the position which they occupy before the rear element of the telescopic piston meets the stops.
- Figure 7 is a view similar to that of Figure 6, showing in section on line VII--V1I of Figure 5 the same members in the position which they occupy when the rear element of the piston is arrested.
- a is a torpedo tube of any well known suitable construction which may be made of sheet metal without necessitating any inner boring out.
- This tube may comprise in a well known manner guides for the torpedo which in the example illustrated are indicated as being constituted by longitudinal ribs (1
- the packing ring In the front part is provided the packing ring a bored out to the diameter of the torpedo and lining the inner wall of the tube, with which ring will engage, as will be described in the following, the obturator disc carried by the front element of the telescopic piston when the latter reaches the end of its travel of development.
- the device comprises, again in the usual man- 5 used for the launching or discharge, which communicates withthe rear of the tube a through a pipe b on which is mounted the discharge valve 11
- a pipe a is used for the exhaust, to the interior of the vessel in case of applicationto submarines, of the air which, after the discharge of the torpedo, is confined between the breech a ofthe tube and the packing ring a
- The-tube is closed in front in the usual manner by means of a door a
- the free piston comprises a series of elements telescopically nested in each other:
- the front or head element is constituted by a diaphragm 0 formed on a tubular body 0 and comprising, if desired,in its centre a spring-controlled support dF-d for the rear end of the torpedo.
- This front element is slidably mounted in a tubular element 0 mounted in its turn in a tubular element 0
- the end rear tubular element 0 carries on its front edge an obturator screen 0 which separates, without the interposition of a packing joint, the rear chamber a into which the ejection fluid is admitted, from the front chamber which contains the torpedo.
- One or more intermediate screens such as 0'' may be provided on one or more tubular elements of the telescopic piston.
- a device for arresting the rear element of the piston At a suitable intermediate point of the tube is arranged a device for arresting the rear element of the piston.
- the said device may be built in various ways and comprises to that'end the desired members on the one hand on the torpedo tube and on the other hand on the rear element of the piston which is to be arrested.
- the arrangement is such that the arresting is produced by progressive jamming or wedging between the members carried respectively by the tube and by the rear element of the piston.
- the wedging or jamming members carried by the rear element of the piston are constituted in the construction illustrated by two pairs of shoes e mounted each on a pin e projecting from the corresponding pin of a lever or finger 1 against the free end of which rests a spring controlled pusher g-g movable in a sleeve a secured to the rear obturator disc 0
- the pins f are movably mounted in a support h which in its turn is longitudinally movable on a guide rod h terminating in front in a head h the said rod being attached to the disc a
- the shoes e of the rear element of the free telescopic piston meet with two ramps 0." formed on the guide ribs a and arranged in the
- a coiled cable may be provided in the interior of the tubular element 0 attached with one of its ends to the bottom of the rest d and with the other end to the breech or to any other suitable point.
- the mobility of the supports it facilitates the movement of reentering of the piston and, for that purpose, the loosening between the shoe'e and the ramps a".
- the disc 0 recoils under the action of the pressure of the water and produces expansion of the springs g, the fingers and the shoes remaining at first in the position which they occupy in Figure 7.
- the heads h meet the supports it, they drive the said supports with them, the loosening being then produced by the expansion of the springs, the tension of which keeps the shoes pressed against the ramps until that moment.
- the installation may comprise, of course, in the usual manner, if so desired, means which automatically ensure at the desired moment the opening and closing respectively of thevalves b and i.
- the constructional details of the free telescopic piston may vary, and discs 0, c and 0" a support for the telescopic piston and enabling the latter to be brought into the interior of the tube as well as to be withdrawn from the latter.
- a freely movable piston adapted to engage the rear end of a torpedo and to eject the latter from the tube, said piston comprising a plurality of tubular elements telescopically nested in one another and provided'with means for limiting the extension of each element relative to the others, the
- front and rearmost elements of said piston each having an obturator disc with a periphery substantially corresponding to the'inner surface of said tube, the front element also being closed at its forward end, means for supplying a fluid under pressure to the tube at a point behind the obturator, disc of said rearmost element of the piston to cause initial movement of all of the elements of the piston as a unit, stop means carried by the tube at a point intermediate its ends for arresting movement of said rearmost element during ejection of the torpedo, the remaining elements thereafter extending themselves in succession and completing ejection of the torpedo from the tube, and a packing ring bored out to the diameter of the torpedo and secured to the inner wall of said tube adjacent the forward end thereof in such position as to be engaged by the obturator disc of said front element when the piston is in fully extended position and thereby prevent escape of the motive fluid through the outer end of the tube.
- a freely movable piston adapted to engage the rear end of a torpedo and to eject the latter from the tube, said piston comprising a plurality of tubular elements telescopically nested in one another and provided with meansfor limiting the extension of each element relative to the others, the front and rearmost elements of said piston each having an obturator disc with a periphery substantially corresponding to the inner surface of said tube, said tube being of a substantially uniform diameter throughout the path of travel of said piston therethrough, the front element of said pistonbeing closed at its forward end and carrying a resilient rest for the rear end of the torpedo, means for supplying a fluid under pressure to the tube at a point behind the abturator disc of said rearmost element of the piston to cause initial movement of all of the elements of the piston as a unit, and stop means carried by the tube at a point intermediate its ends for arresting movement of said rearmost element during ejection of the torpedo, the remaining elements thereafter
- a freely movable piston adapted to engage the rear end of a torpedo and to eject the latter from the tube, said piston comprising a plurality of tubular elements telescopically nested in one another and provided with means for limiting the extension of each element relative to the others, the front and rearmost elements of said piston each having an obturator disc with a periphery substantially corresponding to the inner surface of said tube, a wall across the interior of and closing the forward end of said front element, a resilient rest for the rear end of the torpedo housed between the wall and the obturator discof said front element, means for supplying a fluid under pressure to the tube at a point behind the obturator disc of said rearmost element of the piston to cause initial movement of all of the elements of the piston as a unit, and stop means carried by the tube at a point intermediate itsends for arresting movement of said rearmost element during ejection of the torpedo, the
- a freely movable piston adapted to engage the rear end of a torpedo and to eject the latter from the tube, said piston comprising a plurality of tubular. elements telescopically nested in one another and provided with means for limiting the extension of each element relative to the others, the front element being closed at is forward end, means for supplying-a fluid under pressure to the tube at a point behind the rearmost element of said piston to cause initial movement of all of the elements of the piston as a unit, and means for arresting movement of the rearmost element of said piston at a point intermediate the ends of said tube during ejection of the torpedo, the remaining elements thereafter extending themselves in succession and completing ejection of the torpedo from the tube, said arresting means comprising a friction member carried by said rearmost element, a cooperating friction member carried by the tube, and means for progressively increasing the pressure between said friction membars as said rearmost element approaches the point at which its movement is to terminate
- a freely movable piston adapted to engage the rear end of a torpedo and to eject the latter from the tube under the action of a fluid under pressure supplied to the tube behind said piston
- said piston comprising a plurality of tubular elements telescopically nested in one another and provided with means for limiting the extension of each element relative to the others, the front element being closed at its forward end and means for arresting movement of the rearmost element of said piston at a point intermediate the ends of said tube during ejection of the torpedo, the remaining elements thereafter extending themselves in succession and completing ejection of the'torpedo from the tube
- said arresting means comprising friction shoes carried by said rearmost element, longitudinal ribs formed on the interior of said tube for guiding'the torpedo therein, and inclined friction surfaces formed on said ribs in the paths of travel of said friction shoes and adjacent the point at which the movement of said rearmost element is to terminate.
- a torpedo launching device of the type embodying a freely movable piston in a torpedo tube adapted to engage the rear end of a torpedo and to eject the latter from the tube under the action of a fiuid under pressure supplied to the tube behind said piston, means for arresting the movement of said piston within the tube during ejection of the torpedo therefrom comprising a plurality of friction shoes carried by said piston, longitudinal ribs formed on the interior of the tube for guiding the torpedo therein, and inclined friction surfaces formed on said ribs in the paths of travel of said friction shoes for progressively increasing the resistance to movement of said piston as it approaches the point at which its movement is to terminate.
- a torpedo launching device of the type embodying a freely movable piston in a torpedo tube adapted to engage the rear end of a torpedo and to eject the latter from the tube under the action of a fluid under pressure supplied to the tube behind said piston, means for arresting the movement of said piston within the tube during ejection of the torpedo therefrom comprising a plurality of pairs of friction shoes carried by said piston, longitudinal ribs formed on the interior of the tube for guiding the torpedo therein, and inclined friction surfaces formed on opposite sides of each of said ribs in the paths of travel of said pairs of friction shoes, the inclined surfaces of each of said ribs becoming wedged between a pair of said shoes and thereby arresting movement of said piston.
- a torpedo launching device of the type embodying a freely movable piston in a torpedo tube adapted to engage the rear end of a torpedo and to eject the latter from the tube under the action of a fluid under pressure supplied to the tube behind said piston, means for arresting the movement of said piston within the tube during ejection of the torpedo therefrom comprising a plurality of friction shoes carried by said piston and mounted for pivotal movement relative thereto, means carried by said piston for yieldingly resisting pivotal movement of said shoes, longitudinal ribs formed on the interior of the tube for guiding the torpedo therein, and inclined friction surfaces formed on said ribs in the paths of travel of said friction shoes.
- a torpedo launching device of the type embodying a freely movable piston in a torpedo tube adapted to engage the rear end of a torpedo and to eject the latter from the tube under the action of a fluid under pressure supplied to the tube behind said piston means for arresting the movement of said piston within the tube during ejection ofthe torpedo therefromcomprising a rod carried by and projecting outwardly fromsaidpiston, a support longitudinally movable on said rod, a pin journalled in said support, a friction shoe eccentrically mounted on said pin, a lever secured to said pin, the free end of said lever engaging a yieldable member carried by said piston, and an inclined friction surface formed on the interior of said tube in the path of travel of said friction shoe and adjacent the point at which movement of said piston is to terminate.
- a device for launching torpedoes comprising a torpedo tube of substantially uniform diameter throughout its length, a freely movable piston within said tube adapted to engage the rear end of a torpedo and to eject the latter from the tube, said piston comprising a plurality of tubular elements telescopically associated with one another and provided with means for limiting the extension of each element relative to the others, the diameter of each of said elements being materially smaller than that of said tube, the front element being closed at its forward end, an obturator disc carried by the rearmost element of said piston and having a peripherysubstantially corresponding to the inner surface of said tube, means for supplying a fluid under pressure to the tube at a point behind said obturator disc to cause initial movement of all of the elements of the piston as a unit, and means for arresting movement of the rearmost element of said piston at a point intermediate the ends of the tube during ejection of the torpedo, the remaining elements thereafter extending themselves in succession and completing
- a device for launching torpedoes comprising a torpedo tube of substantially uniform diameter throughout its length, a freely movable piston within said tube adapted to engage the rear end of a torpedo and to eject the latter from the tube, said piston comprising a plurality of tubular elements telescopically associated with one another and provided with means for limiting the extension of each element relative to the others, the diameter of each of said elements being materially smaller than that of said tube, the front element being closed at its forward end, an obturator disc carried by the rearmost element of said piston and having a periphery substantially corresponding to the inner surface of said tube, means for supplying a fluid under pressure to the tube at a point behind said obturator disc to cause initial movement of all of the elements of the piston as a unit, and stop means carried by the tube at a point intermediate its ends for arresting movement of the rearmost element of said piston during ejection of the torpedo, the remaining elements thereafter extending themselves in succession and completing
- a device for launching torpedoes comprising a torpedo tube of substantially uniform diameter throughout its length, a freely movable piston adapted to engage the rear end of a torpedo and to eject the latter from the tube, said piston comprising a plurality of tubular elements telescopically associated with one another and provided with means for limiting the extension of each element relative to the others, the rearmost and at least one other element of said piston each having an obturator disc with a periphery substantially corresponding to the inner surface of said tube, the front element being closed at its forward end, means for supplying a fluid under pressure to the tube at a point behind the obturator disc of the rearmost element ofthe piston to cause initial movement of all of the elements of the piston as a unit, and means for arresting movement of said rearmost element at a point intermediate the ends of the tube during ejection of the torpedo, the remaining elements thereafter extending themselves in succession and completing ejection of the torpedo from the tube.
Landscapes
- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Braking Arrangements (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Coating Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR584494X | 1932-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1985184A true US1985184A (en) | 1934-12-18 |
Family
ID=8959351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US657848A Expired - Lifetime US1985184A (en) | 1932-05-11 | 1933-02-21 | Torpedo tube |
Country Status (5)
Country | Link |
---|---|
US (1) | US1985184A (de) |
DE (1) | DE584494C (de) |
FR (1) | FR750695A (de) |
GB (1) | GB397037A (de) |
NL (1) | NL36793C (de) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2497084A (en) * | 1943-04-30 | 1950-02-14 | James W Irby | Autoballistic antenna |
US2546961A (en) * | 1945-05-31 | 1951-04-03 | John V Amero | Submarine carried cartridge ejector |
US2636121A (en) * | 1949-02-14 | 1953-04-21 | Raymond L Freas | Automatically operated signaling apparatus |
US3106905A (en) * | 1956-03-22 | 1963-10-15 | John T Gondek | Torpedo tube and method for making same |
US3108562A (en) * | 1961-01-18 | 1963-10-29 | Pintsch Bamag Ag | Discharge tubes for projectiles |
US3158062A (en) * | 1959-10-12 | 1964-11-24 | Pneumo Dynamics Corp | Missile container and launcher |
US3379163A (en) * | 1967-03-10 | 1968-04-23 | Navy Usa | Means of launching torpedoes |
US3496925A (en) * | 1967-07-24 | 1970-02-24 | Us Navy | Sonobuoy launcher |
US3729221A (en) * | 1968-02-05 | 1973-04-24 | H Granig | Collision actuated bumper |
US5363791A (en) * | 1993-05-11 | 1994-11-15 | Newport News Shipbuilding And Dry Dock Company | Weapons launch system |
US5447115A (en) * | 1994-06-30 | 1995-09-05 | The United States Of America As Represented By The Secretary Of The Navy | Underwater vehicle recovery system |
US5909000A (en) * | 1996-06-04 | 1999-06-01 | Rakov; Mikhail A. | System for shooting using compressed gas |
US6367401B1 (en) * | 1994-08-26 | 2002-04-09 | The United States Of America As Represented By The Secretary Of The Navy | Submarine countermeasure launcher with gas capture |
US6382123B1 (en) * | 1999-06-10 | 2002-05-07 | Delegation Generale Pour L'armement | Multicaliber torpedo tube |
US6401645B1 (en) * | 2000-09-06 | 2002-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Vehicle launch assembly for underwater platforms |
US20090308299A1 (en) * | 2006-07-26 | 2009-12-17 | Ifremer-Institut Francais De Recherche Pour L'exploitation De La Mer | Apparatus for recovering an underwater or marine vehicle |
FR2953804A1 (fr) * | 2009-12-16 | 2011-06-17 | Dcns | Systeme de lancement d'une arme a partir d'un engin sous-marin |
US20120097144A1 (en) * | 2008-06-02 | 2012-04-26 | Causwave, Inc. | Explosive decompression propulsion system |
EP2124012A3 (de) * | 2008-05-24 | 2013-05-29 | ThyssenKrupp Marine Systems GmbH | Startvorrichtung für Tauchkörper |
DE102012206709A1 (de) * | 2012-04-24 | 2013-10-24 | Thyssenkrupp Marine Systems Gmbh | Unterseeboot |
FR3002763A1 (fr) * | 2013-03-04 | 2014-09-05 | Dcns | Element d'absorption de chocs pour un refouloir pneumatique de dispositif de lancement d'arme de vehicule sous marin |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018133072A1 (de) * | 2018-12-20 | 2020-06-25 | Rheinmetall Air Defence Ag | Startvorrichtung für eine Rakete mit einem teleskopierbaren Träger |
-
0
- NL NL36793D patent/NL36793C/xx active
-
1932
- 1932-05-11 FR FR750695D patent/FR750695A/fr not_active Expired
-
1933
- 1933-02-02 DE DESCH100307D patent/DE584494C/de not_active Expired
- 1933-02-21 US US657848A patent/US1985184A/en not_active Expired - Lifetime
- 1933-02-24 GB GB5731/33A patent/GB397037A/en not_active Expired
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2497084A (en) * | 1943-04-30 | 1950-02-14 | James W Irby | Autoballistic antenna |
US2546961A (en) * | 1945-05-31 | 1951-04-03 | John V Amero | Submarine carried cartridge ejector |
US2636121A (en) * | 1949-02-14 | 1953-04-21 | Raymond L Freas | Automatically operated signaling apparatus |
US3106905A (en) * | 1956-03-22 | 1963-10-15 | John T Gondek | Torpedo tube and method for making same |
US3158062A (en) * | 1959-10-12 | 1964-11-24 | Pneumo Dynamics Corp | Missile container and launcher |
US3108562A (en) * | 1961-01-18 | 1963-10-29 | Pintsch Bamag Ag | Discharge tubes for projectiles |
US3379163A (en) * | 1967-03-10 | 1968-04-23 | Navy Usa | Means of launching torpedoes |
US3496925A (en) * | 1967-07-24 | 1970-02-24 | Us Navy | Sonobuoy launcher |
US3729221A (en) * | 1968-02-05 | 1973-04-24 | H Granig | Collision actuated bumper |
US5363791A (en) * | 1993-05-11 | 1994-11-15 | Newport News Shipbuilding And Dry Dock Company | Weapons launch system |
US5447115A (en) * | 1994-06-30 | 1995-09-05 | The United States Of America As Represented By The Secretary Of The Navy | Underwater vehicle recovery system |
US6367401B1 (en) * | 1994-08-26 | 2002-04-09 | The United States Of America As Represented By The Secretary Of The Navy | Submarine countermeasure launcher with gas capture |
US5909000A (en) * | 1996-06-04 | 1999-06-01 | Rakov; Mikhail A. | System for shooting using compressed gas |
US6382123B1 (en) * | 1999-06-10 | 2002-05-07 | Delegation Generale Pour L'armement | Multicaliber torpedo tube |
US6401645B1 (en) * | 2000-09-06 | 2002-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Vehicle launch assembly for underwater platforms |
US20090308299A1 (en) * | 2006-07-26 | 2009-12-17 | Ifremer-Institut Francais De Recherche Pour L'exploitation De La Mer | Apparatus for recovering an underwater or marine vehicle |
DE102008025015B4 (de) * | 2008-05-24 | 2017-02-09 | Thyssenkrupp Marine Systems Gmbh | Startvorrichtung für Tauchkörper |
EP2124012A3 (de) * | 2008-05-24 | 2013-05-29 | ThyssenKrupp Marine Systems GmbH | Startvorrichtung für Tauchkörper |
US8327747B2 (en) * | 2008-06-02 | 2012-12-11 | Causwave, Inc. | Projectile propulsion system |
US8181561B2 (en) * | 2008-06-02 | 2012-05-22 | Causwave, Inc. | Explosive decompression propulsion system |
US20120204709A1 (en) * | 2008-06-02 | 2012-08-16 | Causwave, Inc. | Projectile propulsion system |
US20120097144A1 (en) * | 2008-06-02 | 2012-04-26 | Causwave, Inc. | Explosive decompression propulsion system |
EP2336019A1 (de) * | 2009-12-16 | 2011-06-22 | Dcns | Abschusssystem einer Waffe von einem Unterwasserfahrzeug |
FR2953804A1 (fr) * | 2009-12-16 | 2011-06-17 | Dcns | Systeme de lancement d'une arme a partir d'un engin sous-marin |
DE102012206709A1 (de) * | 2012-04-24 | 2013-10-24 | Thyssenkrupp Marine Systems Gmbh | Unterseeboot |
EP2657126A3 (de) * | 2012-04-24 | 2013-12-18 | ThyssenKrupp Marine Systems GmbH | Unterseeboot |
DE102012206709B4 (de) * | 2012-04-24 | 2014-02-13 | Thyssenkrupp Marine Systems Gmbh | Unterseeboot |
FR3002763A1 (fr) * | 2013-03-04 | 2014-09-05 | Dcns | Element d'absorption de chocs pour un refouloir pneumatique de dispositif de lancement d'arme de vehicule sous marin |
Also Published As
Publication number | Publication date |
---|---|
GB397037A (en) | 1933-08-17 |
NL36793C (de) | |
FR750695A (fr) | 1933-08-16 |
DE584494C (de) | 1933-09-20 |
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