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Rotary piston machine
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Reciprocating pump
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Slant plate type hydraulic device
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燃料噴射ポンプ
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トロコイド型オイルポンプ
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Radial piston pump
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长度能调节的连杆，其具有带多个活塞密封件的缸-活塞单元
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(https=)
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Positive displacement pumps
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An improved piston pump.
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Plunger sealing and lubricating apparatus for pumps
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Swash-plate type compressor
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냉각 및 윤활 밀봉부를 수용하기 위한 밸브를 가진 유압식 피스톤
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Fluid Pump Assembly
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Lubrication in a fuel pump
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침착물 방지식 피스톤 펌프
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Piston pump
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High pressure multi-cylinder pump
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(en)
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Piston-cylinder assembly for hydraulic pump/motor apparatus
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SU284608A1
(https=)
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GB1585439A
(en)
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Plunger pumps
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Многоходовой радиально-поршневой гидромотор
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CN107165797B
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一种优化动力端与液力端连接的往复泵
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GB2097067A
(en)
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Axial piston pumps
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SU1163032A1
(ru)
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Радиально-поршневой насос
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