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Sugaya N.,KITZ Corporation
Water Practice and Technology | Year: 2012

This new surface treatment is simple and easy as well as low in cost. The processes can even be performed by hand. Pharmaceutical raw materials used for the surface treatment, such as hydrochloric acid and nitric acid used in a mixed acid washing process and vegetable oil used in an organic film forming process, are easily obtained in many countries. © IWA Publishing 2012. Source


By enhancing a stress corrosion cracking resistance in a leadless brass alloy, specifically by suppressing a velocity of propagation of corrosion cracks in the brass alloy, a straight line crack peculiar to the leadless brass alloy is suppressed, a probability of cracks coming into contact with phases is heightened and local corrosion on the brass surface is prevented to suppress induction of cracks by the local corrosion, thereby providing a leadless brass alloy contributable to enhancement of the stress corrosion cracking resistance. The present invention is directed to an Sn-containing Bi-based, Sn-containing Bi+Sb-based or Sn-containing Bi+Se+Sb-based leadless brass alloy excellent in stress corrosion cracking resistance, having an + structure or ++ structure and having phases distributed uniformly therein at a predetermined proportion to suppress local corrosion and induction of stress corrosion cracks.


Trademark
Kitz Corporation | Date: 2014-09-19

Water treatment apparatus for seawater or freshwater aquaculture tank using ozone, ultraviolet or photocatalyst; water purifying apparatus; tap water faucets; level controlling valves for tanks; pipe line cocks; septic tank. Aquaculture services; animal breeding; veterinary services; rental of fishing equipment and instruments.


Trademark
Kitz Corporation | Date: 2014-09-19

Water treatment apparatus for seawater or freshwater aquaculture tank using ozone; ultraviolet or photocatalyst; water purifying apparatus; tap water faucets; level controlling valves for tanks; pipe line cocks; septic tank. Aquaculture services; animal breeding; veterinary services; rental of fishing equipment and instruments.


Mga

Trademark
Kitz Corporation | Date: 2015-12-10

Iron and steel; nonferrous metals and their alloys; metal materials for building or construction; metal pulleys, springs and valves (not including machine elements); ball valves of metal (not including machine elements); metal junctions for pipes; metal flanges; industrial packaging containers of metal.

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