HG/T 20623  法兰 WN 800-600 RF.)A34110RF210 R

WN800-600RF.)A34110RF210 R

so25b)-16rfB)amp10SFf

so100b-150ff-1/)-1

SO 15-150 RF6 ff S=3312)-16 RF277377°F5@P824Sch4015-200

SO 80(B)-10 M60/F30408F0S00o20-16Fh

BL40-6rf6 RF40othg206

WN 1 1/2"-150 RF Sch10SRF Sch8

SO16-10RFpampa

SO20"-600FF