HG/T 20592  法兰盖 BL 100-25 FM00b=16 RF

BL 100-25 FM00b=16 RF

wn 80(B)-40 RFFB)-16hhgп╡п╕п■п╡п╔п═Б─■п÷п╡п╓п╛Б─⌠п║п╡п≤п╘

AWN1150-150RF10020/9154�έΨΤ20sch8/u00ae0

WN25(A)-63M RF GSCH10S70 b1=8201-3 RE-

NB/T47022 RF800-1.610

2 A47 δ10RF