zzcnhic 发表于 2017-6-28 16:02:50

ASTM G 70 – 81 (Reapproved 1998)

ASTM G 70 – 81 (Reapproved 1998)
Standard Test Method for
Ring Bendability of Pipeline Coatings (Squeeze Test)

admin 发表于 2017-7-3 11:43:40

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