About chemical engineering results of 4,588
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27:57
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29:16
35:32
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20:43
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19:54
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30:35
44:59
89:08
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32:40
28:04
16:41
50:43
68:24
171:07
54:33
53:17
54:22
62:17
44:52
57:05
75:53
51:42
49:14
61:16
84:42
78:03
51:06
24:13
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27:18