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经营范围
发明名称
Improvements in or relating to the preparation and operation of platinum plating baths
摘要
申请公布号
GB391119(A)
申请公布日期
1933.04.18
申请号
GB19310028558
申请日期
1931.10.14
申请人
ALLAN RICHARD POWELL;EMYR CONWY DAVIES;ARTHUR WILLIAM SCOTT;JOHNSON, MATTHEY & COMPANY, LIMITED
发明人
分类号
C01G55/00;C25D3/50
主分类号
C01G55/00
代理机构
代理人
主权项
地址
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