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经营范围
发明名称
Dispositif de protection cathodique
摘要
申请公布号
FR1194987(A)
申请公布日期
1959.11.13
申请号
FRD1194987
申请日期
1958.04.22
申请人
CHARLES ENGELHARD INC.
发明人
分类号
C23F13/02
主分类号
C23F13/02
代理机构
代理人
主权项
地址
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