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Lift Type Metal Seated Plug Valve (提升式金属密封旋塞阀) YANG Rong-shui,
HU Jian-tian,
WANG Jian-ying,
ZHU Li-li,
HUANG Ai-yi,
LI Fu-qiang,
Zhejiang Petrochemical Valve Co.,
Ltd,
Zhejiang Aoxin Instrument Co.,
Ltd.,
Zhejiang Liangyi Valve Manufacturing Co.,
Ltd. .................. page:30-32
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