Whatman 滤膜 10463112 Spartan 13mm针头式滤器,再生纤维素, 0.45m 500/盒

Whatman 滤膜 10463112 Spartan 13mm针头式滤器,再生纤维素, 0.45m 500/盒 SPARTAN 13/0.45 RC 500/PK