SY T 7626-2021 水基钻井液用降滤失剂 聚合物类.pdf

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SY T 5241-1991 水基钻井液用降滤失剂评价程序.pdf

SY T 5092-2017 钻井液用降滤失剂 磺化褐煤 SMC.pdf

SY T 5094-2017 钻井液用降滤失剂 磺甲基酚醛树脂 SMP.pdf

SY T 5679-2017 钻井液用降滤失剂 褐煤树脂 SPNH.pdf

SY T 5094-2017 钻井液用降滤失剂 磺甲基酚醛树脂 SMP.pdf

SY T 5092-2017 钻井液用降滤失剂 磺化褐煤 SMC.pdf

SY T 5679-2017 钻井液用降滤失剂 褐煤树脂 SPNH.pdf

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