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H41H-16C、H41W-16P、H41W-16R型鋼制升降式止回閥
H41F46、H41FA、H41F40型PN16氟塑料襯里止回閥
H41W型PN10～PN100特種材料升降式止回閥
HQ41X型PN10～PN25滑道滾球型止回閥
HQ41X-10C、HQ41X-16C、HQ41X-25型滾動式止回閥
H41X-10C、H41X-16C、H41X-25型消聲止回閥
HC41X-10C、HC41X-16C型靜音消聲止回閥
H41X-10P、H41X-16P型消聲止回閥
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