GB/T 12459  弯头 DN 40-Sch40S90ES15

DN 40-Sch40S 90ES15

PL 65(B)-10 RFh10

BL 80-100 RJrf1.3 rfRM0@RFR5w5@R S

SOH FF 30K 25AB sch4 FMa0/@6rf

LWN 32-600 RF Sch4ch40 Sch8

BI 1000F h1)F6rfc

BII 2400-F.J-Rmpam0@RJRC0sF RF

bwn800-150rf

PL 50(B)-16 RFFF70

WN 32(B)-25 RF Sch40SMS0FRF35Rmpamp R