71364822
May 11, 1935
Oct 8, 1935
A.P.V.}KESTNER LIMITED
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PARTS OF CHEMICAL PLANTS MADE OF A MATERIAL INCORPORATING PHENOL AND FORMALDEHYDE-NAMELY, VATS, STIRRERS, CENTRIFUGES, PUMPS, COMPRESSORS, STRAINERS, AGITATORS, AND FANS