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BETASIL PHENYL/HEXYL 5UM 100X3MM COLUMN
安全标签－正己烷，规格130mm*35mm，10张/片
5%ov-17 on chromosorb w hp dmcs 80-100 2m 1/8 sus
α-甲基苯乙烯
漏斗 60/19 （申玻）
PLASTIC HOSE CONNECTION WITH SILICONE RUBBER SEALS, BENT, GL 14
SHORT GROUND SOCKETS, FINISHED, NS 14.5/15, DURAN
固红B
草酸玻璃微珠采样管
Retort clamp, stainless steel green lacquered, length 150 mm, opening up to ? 40 mm, with round jaws, cork lined
