GB/T 12459  弯头 DN 100-Ⅱ-690EL/2600 S=6/�

DN 100-Ⅱ-6 90EL/2600 S=6/�

PL 40(B)-10 RF1200-1c3\u00af\u00c2u00c3/u

HG/T20592 BL150-25M0-45FFST

SO 200-150 RF0-0.6 RF580 H

47021 m1800-0.25B-25RF S

WN80-300RF SCH40

PL200(B)-10RF HG/80-2510/70-120

SOP FF 10K 65A d0=7516

LWN250-150rfb)

PL 15-40