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[41]箱涵先导管幕装置. 申请日期:2013-12-31, 授权日期:2014-07-09, 授权号:CN201320887634.4.
[42]垂直自调节水准尺. 申请日期:2013-11-29, 授权日期:2014-04-30, 授权号:ZL 201320767077.2.
[43]一种盾构渣土改良泡沫剂发泡性能鉴定装置. 申请日期:2013-11-18, 授权日期:2014-05-28, 授权号:ZL 2013 2 0729115.5.
total43 3/3
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