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59980-60SIEVE NO. 40 W/NIST TRACE CERT
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59980-59SIEVE NO. 35 W/NIST TRACE CERT
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59980-58SIEVE NO. 30 W/NIST TRACE CERT
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59980-57SIEVE NO. 25 W/NIST TRACE CERT
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59980-56SIEVE NO. 20 W/NIST TRACE CERT
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59980-55SIEVE NO. 18 W/NIST TRACE CERT
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59980-54SIEVE NO. 16 W/NIST TRACE CERT
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59980-53SIEVE NO. 14 W/NIST TRACE CERT
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59980-52SIEVE NO. 12 W/NIST TRACE CERT
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59980-51SIEVE NO. 10 W/NIST TRACE CERT
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59980-50SIEVE NO. 8 W/NIST TRACE CERT
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59980-23SIEVE BRASS 8OD NO.325"