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astm d217
Selling leads|
... Standard Test Methods for Penetration of Bitumen , GB/T269 Standard Test Methods for Cone Penetration of Lubricating Grease and Petrolatum and ...
2026-04-19 00:17:37
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ASTM D217 Mechanical Grease Worker Structure: 1. The spindle motor adopts a single-phase squirrel-cage motor, which runs smoothly; the reducer adopts ...
2026-04-19 00:17:37
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... Waxes and national standard of People's Republic of China GB/T 4509Standard Test Method for Penetration of Bitumen, GB/T269(ASTM D217) ...
2026-01-14 00:29:14
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