| 摘要 |
<p>1529183 Galvanizing metal HEURTEY METALLURGIE 10 Aug 1977 [12 Aug 1976] 33587/77 Heading C7F Metal is passed through a pre-treatment furnace then coated on one side only with a protective film e.g. oil, grease or varnish then passed into a galvanizing bath. The protective film may then be removed from the cooled strip by washing or brushing.</p> |
