CN101460386B - Mobile lift crane with lift enhancing attachment - Google Patents

Mobile lift crane with lift enhancing attachment Download PDF

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Publication number
CN101460386B
CN101460386B CN2007800171855A CN200780017185A CN101460386B CN 101460386 B CN101460386 B CN 101460386B CN 2007800171855 A CN2007800171855 A CN 2007800171855A CN 200780017185 A CN200780017185 A CN 200780017185A CN 101460386 B CN101460386 B CN 101460386B
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Prior art keywords
crane
unit
movable
cantilever
counterweight
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CN2007800171855A
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Chinese (zh)
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CN101460386A (en
Inventor
D·J·佩希
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Manitowoc Crane Companies LLC
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Manitowoc Crane Companies LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples

Abstract

A mobile lift crane (10) is provided, which includes a central crane unit (20), a boom unit (40) and a counterweight unit (60). The central crane unit (20) has a car body (22), moveable ground engaging members (24) and a rotating bed (23) mounted to the ground engaging members (24) with a rotatable connection such that the rotating bed (23) can swing with respect to the ground engaging members (24). The boom unit (40) has a support member (42), at least one moveable ground engaging member (44), and a boom (46) pivotally mounted on the support member (42). The counterweight unit (60) has counterweight (62, 64) on a support member (66). Rigging (52, 54) connects the boom (46) and counterweight unit (60) such that a load lifted by the boom (46) can be counterbalanced by the counterweight (62, 64). The boom unit (40) and counterweight unit (60) are connected to the central crane unit (20) by structural members (82, 84) that carry compressive loads and maintain the boom unit (40), the rotating bed (23) and the counterweight unit (60) in lateral alignment with each other, but allow relative vertical movement between the boom unit (40), the rotating bed (23) and the counterweight unit (60). A main mast (48) is pivotally mounted on the combination of the central crane unit (20), the boom unit (40) and the structural member (82) between the central crane unit (20) and the boom unit (40). In another embodiment, a counterweight unit (260) with a swing axis and a boom unit (240) are connected directly together with a structural member (282). Ground engaging members (244) on the boom unit (240) can be rotated relative to a boom unit support member (242) such that the boom unit (240) i) can travel in an arc around the swing axis of the counterweight unit (260) and ii) travel in direction in line with the structural member (282).

Description

Have and promote the movable crane that strengthens annex
Quoting of the application of formerly submitting to
The application is according to 35U.S.C$119 (e), and requiring on May 12nd, 2006 application, sequence number is the preceence of the applying date of 60/799915 U.S. Provisional Patent Application, and its entirety is included in this by reference.
Background technology
The application relates to hoisting crane, particularly has annex to improve the movable crane of crane lifting ability.
In the past few years, strengthen the movable crane hoisting capacity and become many improved themes in the hoisting crane field.Even if had these improvement; But still further perfect needs are arranged; Especially in the very heavy and relevant acting situation of other constraint beginning of the specific load that will promote, for example when lifting load, need hoisting crane to move on the ground with said load.
Summary of the invention
Invented a kind of movable crane, this movable crane can be mentioned very heavy load, and when lifting load, still can move.In first aspect; The present invention is a kind of movable crane; Comprise: central crane unit; This central crane unit has vehicle body, movable ground attachment and rotation platform, and wherein rotation platform is installed on the ground engagement parts with rotatable attaching parts, so that rotation platform can be swung with respect to the ground engagement parts; Cantilever units, this cantilever units have strut member, at least one movable ground attachment and are installed in the cantilever on the strut member pivotally; Counterweight element, it has the counterweight on strut member; And rigging, this rigging connects cantilever and counterweight element, so that carry out balance by the load of cantilever lifting through counterweight.Cantilever units and counterweight element are connected on the central crane unit by member; This member can carry clamp load and keep cantilever units, rotation platform and counterweight element aligned with each other in the horizontal, but allows the relative perpendicular movement between cantilever units, rotation platform and the counterweight element.Main leg is installed in the junction of the member between central crane unit, cantilever units and central crane unit and the cantilever units pivotally.
In second aspect; The present invention is a kind of movable crane; Comprise: counterweight element; This counterweight element has strut member, counterweight and at least two movable ground attachment, and said strut member is installed on the ground engagement parts with rotary connector, so that strut member can be swung with respect to the ground engagement parts around oscillating axle; Cantilever units, this cantilever units have strut member, at least two movable ground attachment, are installed in the cantilever on the strut member and be installed in the main leg on the strut member pivotally pivotally; Member between cantilever units and the counterweight element, this member can carry clamp load and keep cantilever units and counterweight element aligned with each other in the horizontal, but allow the relative perpendicular movement between cantilever units and the counterweight element; And rigging, this rigging connects cantilever, mast and counterweight element so that carry out balance by the load of cantilever lifting through counterweight.The ground engagement parts of said cantilever units can rotate with respect to the cantilever units strut member, so that cantilever units i) can in the arc of oscillating axle, move and ii) on the direction consistent, move with said member.
For an embodiment of hoisting crane of the present invention, the hoisting crane with short cantilever and short radius can be mentioned the weight near 2,000 tonnes.In like the shown structure of accompanying drawing 1-3, hoisting capacity is near 800 tonnes.Even have the ability that can mention these big load, this hoisting crane still is movably.
Can more easily understand these and other advantage and invention itself of the present invention in conjunction with accompanying drawing.
Description of drawings
Fig. 1 has the transparent view that promotes movable crane first embodiment that strengthens annex.
Fig. 2 is the fragmentary, perspective view of some element that has for the sake of clarity removed the movable crane of Fig. 1.
Fig. 3 is the birds-eye view of some element that has for the sake of clarity removed the movable crane of Fig. 1.
Fig. 4 is the lateral plan of second embodiment of movable crane of the present invention.
Fig. 5 is the birds-eye view of some element that has for the sake of clarity removed the movable crane of Fig. 4.
Fig. 6 is the lateral plan of the 3rd embodiment of movable crane of the present invention.
Fig. 7 is the birds-eye view of some element that has for the sake of clarity removed the movable crane of Fig. 6.
The specific embodiment
Below present invention will be further described.In following paragraph, define different aspect of the present invention in more detail.Each aspect that limits like this can combine with any other one or more aspects, only if clearly show that opposite one side.Especially, by the preferred or favourable arbitrary characteristics that illustrate can with combine by preferred or favourable any other one or more characteristics that illustrate.
Three embodiment of the present invention have been shown in the accompanying drawing.In first embodiment, shown in Fig. 1-3, movable crane 10 is made up of three formants: central crane unit 20, cantilever units 40 and counterweight element 60.Cantilever units 40 is connected to central crane unit 20 with counterweight element 60 through member 82 and 84.Cantilever units 40 and its member 82 with by Manitowoc Crane ofManitowoc, Wisconsic strengthens accessory class seemingly with the lifting that " X-Tender " sells as trade mark.Counterweight element 60 and its member 84 with sell as trade mark with " MAX-ER " by Manitowoc cranes another promote and strengthen accessory class seemingly.But, till the present invention, it is believed that also nobody once combined two attachment concepts to obtain the hoisting crane of very high hoisting capacity.It is unique, non-obvious having the oscillating axle of end wise between the combination intensifier.Because on the hoisting crane with these annexes on a lot of characteristics of cantilever units, central crane unit and counterweight element be identical, will not describe them in detail here.
Central crane unit 20 comprises the movable ground attachment of vehicle body 22, rotation platform 23 and crawler belt 24 forms.Rotation platform 23 usefulness rotary connectors are installed on the vehicle body 22, and this rotary connector can be the roller that operates on roller transveyer or the rotating disk, so that rotation platform 23 can be swung around the longitudinal axis with respect to ground engagement parts 24.On hoisting crane 10, the ground engagement parts on the central crane unit comprise at least two crawler belts.Central crane unit also comprises second mast 26 that is connected to pivotally on the rotation platform 23.This mast mainly uses to rise main leg during installation.Central crane unit 20 also comprises other elements that generally are used on the movable crane, and for example live mast 28, radius stay 30 and operator's operator's compartment 32.
Cantilever units 40 comprises strut member 42 and at least one movable ground attachment.Movable ground attachment on the cantilever units generally comprise at least two crawler belts.In an illustrated embodiment, cantilever units has the movable ground attachment of four crawler belt 44 forms, and two cover crawler belts are set on each of two crawler belts.Every crawler belt on the cantilever units (or in this case; Every cover crawler belt) can be around longitudinal axis rotation so that cantilever units can i) in the arc of the axle of the attaching parts of the rotatable swing of central crane unit 20 (shown in Fig. 2 and 3) move, and ii) transversely moving corresponding to the linear moving direction of central crane unit (as shown in Figure 1).
Cantilever units also comprises the cantilever 46 that is installed in pivotally on the strut member 42 and is installed in the main leg 48 on the strut member 42 pivotally.Cantilever 46 can comprise main boom and be installed in the luffing arm at main boom top (luffing jib) 50 pivotally.When comprising luffing arm 50, also use pillar 51 and 53.Said cantilever can by two independently truss structure process, this truss structure is bonded together and the luffing arm is supported on the main boom top in their top and the bottom pivotal support mechanism through strut member 42.
Counterweight element 60 comprises the counterweight (this counterweight as shown in the figure can be the form of two group covers 62 and 64 of independent weight member) on the strut member 66.Counterweight element 60 also comprises a plurality of movable ground attachment of taking turns 68 forms.Illustrated among the embodiment and comprised equally in this embodiment, be designed to freely hang second counterweight element 61 that uses.Ground engagement parts on the counterweight element can be around longitudinal axis rotation so that counterweight element can i) in the arc of the axle of the attaching parts of the rotatable swing of central crane unit, moving, and ii) transversely moving corresponding to the linear moving direction of central crane unit.Counterweight element 61 can comprise and be connected strut member and the hydraulic actuating cylinder (not shown) of back hitch (back hitch strap) between 54, this rear portion connecting band can shrink with change from ground to the back hitch as the holding capacity of lifting load counterweight and the holding capacity of required counterweight.
Hoisting crane 10 also comprises the rigging that connects cantilever 46, main leg 48 and counterweight element 60, so that carry out balance by the load of cantilever 46 liftings through counterweight.This rigging comprises the arm rigging 52 between main leg 48 and the cantilever 46, allows to change with respect to ground-surface boom angle.Rigging also comprises back hitch 54.Back hitch shown in the embodiment lies in main leg 48 at last, but also can be connected through the top of second mast 26.There are two cover back hitch 54, covers to lie on the counterweight element 60 in an illustrated embodiment and another set of lying on second counterweight element 61.Another back hitch 58 is lain in the back of central crane unit 20.This band also lies on the live mast 28 and is used for making second mast 26 upright.(Fig. 1) changes the angle between pillar 51 and 53 with rigging 59, thereby changes than the angle of the luffing arm 50 of main leg.
Member 82 and 84 carries clamp load and keeps cantilever units 40, rotation platform 23 and counterweight element 60 aligned with each other in the horizontal.But these members connect to allow the relative perpendicular movement between cantilever units 40, rotation platform 23 and the counterweight element 60 through pin.Member 82 can support one or more reels 86,87 and 88 that comprise load hoist cable, luffing arm rope 59 and arm hoist cable, and engine block 90.
Attaches second embodiment that Figure 4 and 5 show hoisting crane 110 of the present invention.The same as hoisting crane 10, hoisting crane 110 comprises three formants: central crane unit 120, cantilever units 140 and counterweight element 160.Cantilever units 140 is connected on the central crane unit 120 by member 182 and 184 with counterweight element 160.Change the angle between pillar 151 and 153 with rigging 159, thereby change the angle of luffing arm 150.Load hoist cable and rigging reel and engine block all are installed on the member 182.Also can on hoisting crane 10, use the mast radius stay 186 shown in Fig. 4.The main difference that hoisting crane 110 is compared with hoisting crane 10 is that the movable ground attachment on the counterweight element 160 comprise at least two crawler belts 168.Fig. 5 shows the crawler belt on crawler belt 168 and the cantilever units, and this cantilever units is swung around central crane unit in the dotted line direction.
Accompanying drawing 6 and 7 shows the 3rd embodiment of hoisting crane 210.The difference that this hoisting crane is compared hoisting crane 10 and 110 is that it only has two formants: counterweight element 260 and cantilever units 240.In this embodiment, counterweight element has been designed to the center oscillating axle, and has disposed cantilever units,, or be in line mobile with crawler belt on the counterweight element so that it can move in around the arc of oscillating axle.
Counterweight element 260 comprises strut member 266, counterweight 262 and at least two movable ground attachment that form with two crawler belt 268 forms.Strut member 266 is installed on the ground engagement parts with rotary connector, so that strut member 266 can be swung around oscillating axle with respect to the ground engagement parts.
Cantilever units 240 comprises that strut member 242, at least two movably move the ground engagement parts, are installed in the cantilever 246 on the strut member 242 and be installed in the main leg 248 on the strut member pivotally pivotally, and described in this case at least two movable ground attachment are four crawler belts 244.Member 282 extends between cantilever units and counterweight element, and can carry clamp load and keep cantilever units and counterweight element aligned with each other in the horizontal, but allow the relative perpendicular movement between cantilever units and the counterweight element.Hoisting crane 210 also comprises the rigging that connects cantilever, mast and counterweight element, so that carry out balance by the load of cantilever lifting through counterweight.The ground engagement parts 244 of cantilever units can be with respect to cantilever units strut member rotation, so that cantilever units i) can in the arc of the oscillating axle of counterweight element, move (dotted line as shown in Figure 7), and ii) mobile on the direction consistent with member 282.
It is understandable that, apparent to those skilled in the art to the variations and modifications that preferred embodiment described herein is done.For example, main leg 46 is not mounted on the boom support member 42, and it can be installed in the elsewhere that central crane unit 20, cantilever units 40 and member 82 between central crane unit and the cantilever units combine pivotally.The reel that is used for hoist cable and rigging can be installed in the rotation platform of central crane unit.These variations and revise can do not break away from spirit of the present invention and protection domain and do not reduce its make under the situation of the advantage that will reach.Therefore these variations and modification are intended to covered by appended claim.

Claims (16)

1. movable crane comprises:
A) central crane unit, this central crane unit has vehicle body, movable ground attachment and rotation platform, and this rotation platform is installed on the vehicle body with rotatable swing attaching parts so that rotation platform can be swung with respect to the movable ground attachment;
B) cantilever units; This cantilever units has boom support member, is installed in the cantilever on the boom support member and be installed at least one the movable ground attachment on the boom support member pivotally; So that by the weight of cantilever units movable ground attachment supporting cantilever, cantilever, boom support member and cantilever units movable ground attachment move as individual unit together whereby;
C) counterweight element, this counterweight element have the counterweight on the counterweight strut member and are installed in the counterweight strut member
On the movable ground attachment; And
D) rigging, this rigging connection cantilever and counterweight element are so that carry out balance by the load of cantilever lifting through counterweight;
E) wherein cantilever units is connected on the central crane unit by first member and counterweight element is connected on the central crane unit by second member; Wherein this first and second member all carries clamp load and keeps cantilever units, rotation platform and counterweight element aligned with each other in the horizontal; But allow the relative perpendicular movement between cantilever units, rotation platform and the counterweight element; Wherein said movable crane also comprises main leg, and this main leg is installed in the junction of central crane unit, cantilever units and first member pivotally.
2. movable crane as claimed in claim 1, wherein the movable ground attachment on the central crane unit comprise at least two crawler belts.
3. movable crane as claimed in claim 1, wherein the movable ground attachment on the cantilever units comprise at least two crawler belts.
4. movable crane as claimed in claim 1, wherein the movable ground attachment on the counterweight element comprise a plurality of the wheel.
5. movable crane as claimed in claim 1, wherein the movable ground attachment on the counterweight element comprise at least two crawler belts.
6. movable crane as claimed in claim 1, wherein main leg is installed on the boom support member of cantilever units pivotally.
7. movable crane as claimed in claim 6, wherein central crane unit also comprises second mast that is pivotally connected on the rotation platform.
8. movable crane as claimed in claim 3, wherein at least two crawler belts on the cantilever units comprise two cover crawler belts separately.
9. movable crane as claimed in claim 3; Wherein every crawler belt on the cantilever units can be around vertical axis rotation so that cantilever units can i) move at arc around the axle of the rotatable swing attaching parts of central crane unit, and ii) transversely moving corresponding to the linear moving direction of central crane unit.
10. movable crane as claimed in claim 1, wherein cantilever comprises main boom and is installed in the luffing arm at main boom top pivotally.
11. movable crane as claimed in claim 1, said movable crane also comprises the reel that comprises the load hoist cable, and this reel is installed on first member.
12. movable crane as claimed in claim 1, wherein said cantilever comprise two independently truss structures, said truss structure is engaged with together in their top and bottom.
13. movable crane as claimed in claim 1, wherein said rigging comprises: i) the arm rigging between the cantilever of main leg and this cantilever units, to allow to change boom angle; And the ii) back hitch between main leg and the counterweight element.
14. movable crane as claimed in claim 1, said movable crane also comprises second counterweight element.
15. movable crane as claimed in claim 14, wherein second counterweight element is configured for and freely hangs purposes.
16. movable crane as claimed in claim 1; Wherein the movable ground attachment on the counterweight element can be around vertical axis rotation so that counterweight element can i) move at arc around the axle of the rotatable swing attaching parts of central crane unit, and ii) transversely moving corresponding to the linear moving direction of central crane unit.
CN2007800171855A 2006-05-12 2007-05-11 Mobile lift crane with lift enhancing attachment Active CN101460386B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US79991506P 2006-05-12 2006-05-12
US60/799,915 2006-05-12
PCT/US2007/068738 WO2007134211A2 (en) 2006-05-12 2007-05-11 Mobile lift crane with lift enhancing attachment

Publications (2)

Publication Number Publication Date
CN101460386A CN101460386A (en) 2009-06-17
CN101460386B true CN101460386B (en) 2012-09-05

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EP (1) EP2018341B1 (en)
KR (1) KR20090018034A (en)
CN (1) CN101460386B (en)
BR (1) BRPI0711454A2 (en)
MX (1) MX2008014122A (en)
RU (1) RU2445251C2 (en)
WO (1) WO2007134211A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008004663U1 (en) * 2008-04-04 2009-08-13 Liebherr-Werk Ehingen Gmbh Lattice boom crane and lattice boom
CN201626782U (en) * 2009-12-24 2010-11-10 三一电气有限责任公司 Amphibious crawler crane
CN102234076B (en) * 2010-04-22 2013-04-24 上海三一科技有限公司 Electrical control device for crawler-type counter weight trolley and control method thereof
WO2013044485A1 (en) * 2011-09-29 2013-04-04 长沙中联重工科技发展股份有限公司 Counterweight balancing mechanism and dual arm crane

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868022A (en) * 1973-11-23 1975-02-25 Harnischfeger Corp Self-propelled heavy duty mobile crane
US4382519A (en) * 1979-07-17 1983-05-10 The Manitowoc Company, Inc. Traveling attachment for ring supported lift crane
US4387814A (en) * 1981-09-08 1983-06-14 The Manitowoc Company, Inc. Traveling attachment for ring supported lift crane
US4579234A (en) * 1984-03-16 1986-04-01 American Hoist & Derrick Company Self-erecting mobile crane
CN1287964A (en) * 1999-09-09 2001-03-21 神钢建设机械株式会社 Tracked movement type construction machinery
CN2741949Y (en) * 2004-10-27 2005-11-23 万维柔 Automatic balance crane device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264010B (en) * 1966-04-28 1968-03-21 Gross G M B H A Crane system for large load capacities and load moments
US4537317A (en) * 1984-04-23 1985-08-27 Fmc Corporation Heavy duty travel crane
SU1370057A1 (en) * 1986-06-02 1988-01-30 Новосибирский Филиал Всесоюзного Института По Проектированию Организации Энергетического Строительства "Оргэнергострой" Self-propelled cargo-hoisting crane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868022A (en) * 1973-11-23 1975-02-25 Harnischfeger Corp Self-propelled heavy duty mobile crane
US4382519A (en) * 1979-07-17 1983-05-10 The Manitowoc Company, Inc. Traveling attachment for ring supported lift crane
US4387814A (en) * 1981-09-08 1983-06-14 The Manitowoc Company, Inc. Traveling attachment for ring supported lift crane
US4579234A (en) * 1984-03-16 1986-04-01 American Hoist & Derrick Company Self-erecting mobile crane
CN1287964A (en) * 1999-09-09 2001-03-21 神钢建设机械株式会社 Tracked movement type construction machinery
CN2741949Y (en) * 2004-10-27 2005-11-23 万维柔 Automatic balance crane device

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Publication number Publication date
EP2018341A4 (en) 2012-11-14
EP2018341B1 (en) 2015-10-28
RU2008149047A (en) 2010-06-20
RU2445251C2 (en) 2012-03-20
JP5331682B2 (en) 2013-10-30
KR20090018034A (en) 2009-02-19
WO2007134211A3 (en) 2008-11-06
WO2007134211A2 (en) 2007-11-22
EP2018341A2 (en) 2009-01-28
BRPI0711454A2 (en) 2011-11-08
MX2008014122A (en) 2008-11-14
CN101460386A (en) 2009-06-17
JP2009536909A (en) 2009-10-22

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