发明名称 METHOD FOR PRESERVING SILVER-PLATED OBJECTS AND FILTERING DEVICE FOR CARRYING OUT SAID METHOD
摘要 <p>The invention relates to a method for preserving and conserving silver-plated objects (1), according to which the objects (1) are placed in an atmosphere of desulfurized gas. The invention is characterized in that the gas is desulfurized by contact with cathodically activated silver metal.</p>
申请公布号 WO1999036161(A1) 申请公布日期 1999.07.22
申请号 FR1999000071 申请日期 1999.01.15
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