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经营范围
发明名称
WEAR RESISTING ALLOY SURFACE
摘要
申请公布号
CA370273(A)
申请公布日期
1937.11.30
申请号
CAD370273
申请日期
申请人
EDWARD VAN HOOFSTADT
发明人
FRIEDRICH KEMPKA
分类号
主分类号
代理机构
代理人
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