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4.81 MB2022-10-28
1.26 MB2021-11-13
[国外标准] BS 3900-G6-1989 Methods of test for paints. Assessment of resistance to fungal growth
5.72 MB2020-11-27
253.06 KB2020-11-27
[国外标准] BS 3900-E10-1979 Methods of test for part E10 Pull-off test for adhesion(ISO title paints and varnis
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11.95 MB2019-11-28
[国外标准] JIS Z 3900:1974 Methods for sampling of precious brazing filler metals
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2.01 MB2019-11-18
503.84 KB2019-11-16
125.3 KB2019-11-06