Z641H-1.6-DN50,Z641H-1.6-DN65,Z641H-1.6-DN80,Z641H-1.6-DN100,气动闸阀
200


醋酸类




Z41W-40P(R)


4.0


6.0


4.4


0.6


200


硝酸类




Z41W-64P(R)

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