GB/T 12459  弯头 DN 200-890ELF Sch10S4Р“Т

DN 200-8 90ELF Sch10S4Р“Т

PL 150-16 RF6h10s

BL10-100G900h80100F/

BL80-150 rf5 Mch80��F-2.5

WN125(B)-25 M S=8RJ Sch160S=10.5 &;nbsp;mpampamp;nbspch80=

pl125-25 RFtRFБ─�/0

bl5000-6rf2Fh4mFL52006rf6ch 8t

bl1000(a)-2.5rf5M

PL20-25G BF0ad.

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