| http://www.w3.org/ns/prov#value | - Diaphragm:The Rolling Diaphragm is a tough,flexible seal with a unique configuration that permits relatively long piston strokes while completely eliminatingSupplier - Shanghai Kingshen Rubber Products Factory[Manufacturer, Trading Company]China (Mainland)Credibility??? DiaphragmsDiaphragms are critical rubber components meant to partition a compartment with different pressures and fluids.
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