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PRESO develops a success flowmeter of a new-style fire pump
PRESO development is successful Preso of forward...
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Vavuum pump of effective and managing petrolic develops a success in Tianjin
Vavuum pump of effective and managing petrolic d...
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Can prevent vibratile check valve
Japan cling to valve (Tomoe Valve) development went brilliant circle model do...
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Chongqing city: big thrust wide fountainhead heats up technology of pump air con
Chongqing will popularize fountainhead to heat up pump to build technology of...
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Get the better of collect craft place to develop technology of form a complete s
Oil field success Tuo is entered especially tall hydrous period hind, rod tu...
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Cummings overcomes chemical fibber to improve fragrant black silk ribbon to beco
Of fragrant black silk ribbon wet the need that become silk circulates for ma...
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Japanese energy industry rolls out bearing of macrobian life idler
Japanese essence is versed in development went bearing of macrobian life idler....
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Well of 3-456 of Pu of Central Plains oil field is shot collect couplet to make
Oil extraction of Central Plains oil field the well of 3-456 of Pu of key wildc...
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