Device of pretreatment of water section sump pit fluid level control floater in fixed
The utility model discloses a device of pretreatment of water section sump pit fluid level control floater in fixed, three stainless steel draw -in groove fix the position in nonrust steel pipe symmetry, stainless steel pipe welding puts at corrosion resistant plate's central point, then corros...
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Format: | Patent |
Sprache: | chi ; eng |
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