GB/T 12459  同心异径管 DN 950×15-Sch10SRC

DN 950×15-Sch10S RC

SO20(B)-150FFCH00-0n200(1010/86020095rf1

47023 fm800-6.4/

WN40-300RF HG/T 20615 A105 SCH80

2 cm1400-1.5/rfCNRF Sch60M53600-1.6=

WN 500-10 FFampampam

PL20(B)-16 RFSch80/F.0-10b)1f 800S δ020�-3.

3 M 1200-1.0S-16 RFFH40fS=1S

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