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发明名称
GRANULAR CARBON BLACK MANUFACTURE
摘要
申请公布号
CA353730(A)
申请公布日期
1935.10.29
申请号
CAD353730
申请日期
申请人
HANS W. GROTE
发明人
HANS W. GROTE
分类号
主分类号
代理机构
代理人
主权项
地址
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