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发明名称
Metallic pigments and method of preparing same
摘要
申请公布号
US2273597(A)
申请公布日期
1942.02.17
申请号
US19390303364
申请日期
1939.11.08
申请人
THE PURE OIL COMPANY
发明人
SCHRODER ARTHUR
分类号
B22F9/30
主分类号
B22F9/30
代理机构
代理人
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