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1. 液压挖掘机双摇臂加长工作装置
[P] .
中国专利：
CN204982987U
. 2016.01.20
2. 一种液压挖掘机双摇臂加长工作装置
[P] .
中国专利：
CN105113557A
. 2015-12-02
3. Swivel rotator for work machine i.e. hydraulic excavator, has swiveling device including hydraulic cylinder designed as drive unit, where cylinder has cylinder pipe that is hydraulically shiftable on two rods fixed in side walls of housing
[P] .
外国专利：
DE102010006496A1
. 2011-04-07
机译：用于工作机械的旋转转子，即液压挖掘机，具有包括设计为驱动单元的液压缸在内的旋转装置，其中缸体具有可在固定在壳体侧壁上的两个杆上液压移动的缸管。
4. Hydraulic block unit for the alternate operation of hydraulic working devices, in particular a spoon piston cylinder or a gripper piston cylinder in the case of an excavator
[P] .
外国专利：
DE4330101C2
. 2001-05-31
机译：液压块单元，用于液压工作装置的交替操作，特别是在挖掘机的情况下为汤匙活塞缸或抓取活塞缸
5. Hydraulic block unit for the alternate operation of hydraulic working devices, in particular a spoon piston cylinder or a gripper piston cylinder in the case of an excavator
[P] .
外国专利：
DE9321475U1
. 1998-09-17
机译：液压块单元，用于液压工作装置的交替操作，特别是在挖掘机的情况下为汤匙活塞缸或抓取活塞缸
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