HG/T 20592  法兰 PL 250-40 MHG/Ts

PL250(A)-40 MHG/Ts

WN 3"-150 RF Sch400-2.5

WN10-160RJ0RF.

bl150-10rjRfpqr�@RF@4 Rch44060fc6m386@S35R5@00F614@F

bl150-10rjRf05--F0-150

WN300-300 RF B=299

B WN 1000-300 RF1.0/6

BL 80-6 RF

WN 40(B)-100 RF

PL 150(B)-10 RF rfh 40Sju00h�گâFrf0gmp;