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KR102588313B1
(ko)
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감쇠력을 조정할 수 있는 진동 댐퍼
|
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US4523512A
(en)
|
|
Telescopic support props for mineral mining
|
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US3426649A
(en)
|
|
Multistage hydraulic mine prop
|
|
US5921718A
(en)
|
|
Prop for use in underground mining or tunnel construction
|
|
KR940002509A
(ko)
|
|
유압식 증압기
|
|
US3656411A
(en)
|
|
Telescopic props
|
|
US20130284010A1
(en)
|
|
Telescopic cylinder
|
|
EP0509463B1
(en)
|
|
A spring device
|
|
PL54692B1
(enExample)
|
|
|
|
US3863676A
(en)
|
|
Piston type accumulator
|
|
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(en)
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|
Support prop with integrated pressure limiting valve and nailed pipes
|
|
JP2000097206A
(ja)
|
|
油圧シリンダ
|
|
EP0551716A1
(en)
|
|
An hydraulic piston and cylinder unit
|
|
US3986438A
(en)
|
|
Hydraulic cylinder with integral feedback cylinder
|
|
SU1555507A1
(ru)
|
|
Гидравлическа стойка механизированной крепи
|
|
SU1728466A1
(ru)
|
|
Многоступенчатый длинноходовой забойный механизм подачи
|
|
US3109283A
(en)
|
|
Cartridge actuated thruster
|
|
CN210087728U
(zh)
|
|
伸缩缸和伸缩支架
|
|
JPS62366B2
(enExample)
|
|
|
|
GB1045302A
(en)
|
|
Hydraulically operated roof supports
|
|
PL65115B1
(enExample)
|
|
|
|
DE1980465U
(de)
|
|
Hydropneumatische zugfeder.
|
|
SU473840A1
(ru)
|
|
Устройство дл передвижени секции крепи с подпором
|
|
SU1081348A1
(ru)
|
|
Стабилометр
|
|
SU1180524A1
(ru)
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|
Гидроблок шахтной стойки
|