US Patent 7285191 Phosphate film processing method and phosphate film processing device
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Patent abstract
A phosphate coating apparatus for depositing a phosphate coating on a metal material by electrolyzing the metal material in a predetermined electrolysis solution includes a positive electrode and a negative electrode, of which one electrode being disposed in contact with the metal material and the other electrode being disposed away from the metal material with a predetermined distance, and the other electrode being formed into a tubular shape so as to cover the entire length of the metal material.
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US Patent 07285191 Phosphate film processing method and phosphate film processing device US Patent 7285191 Phosphate film processing method and phosphate film processing device
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Patent Number
0728519100
Patent Number
728519100
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Official Website
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Infobox
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Patent Jurisdiction
Patent Number
072851910
Date of Patent
October 23, 2007
0Patent Application Number
104732890
Date Filed
March 26, 2002
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
072851910
Date of Patent
October 23, 2007
0Patent Application Number
104732890
Date Filed
March 26, 2002
0Official Website
Patent Primary Examiner
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US Patent 07285191 Phosphate film processing method and phosphate film processing device
Infobox
Is a
Patent jurisdiction
Patent number
07285191
Date of patent
October 23, 2007
Patent application number
10473289
Date Filed
March 26, 2002
Patent primary examiner
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