HG/T 20592  法兰盖 BL 40-40 MMrfF6 Rmp S/1FF(B)-16R b�п�.160f/@b0717062-

BL40-40MMrfF6 Rmp S/1FF(B)-16R b�п�.160f/@b0717062-

BL 1 1/2"-150 RJ0RF100-f

BL80-40RF

PL125B-40 rf-2.5/wp-RFBf91

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47065.2 B1f0-1.0@keF FM34 C=10 δ=4.0/8

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