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229910000923precious metal alloyInorganic materials0.000title1
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C—CHEMISTRY; METALLURGY
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
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DK47372D1930-09-141931-08-27Fremgangsmaade til Fremstilling af Formstykker med teknisk værdifulde Egenskaber af Ædelmetallegeringer.
DK47372C
(da)
Fremgangsmaade til Fremstilling af homogene Legeringer af Bly med Alkalimetallerne og de alkaliske Jordartmetaller og formede Legemer af saadanne Legeringer.