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经营范围
发明名称
DEVICE FOR PRODUCING SOOT
摘要
申请公布号
YU83586(A)
申请公布日期
1987.12.31
申请号
YU19860000835
申请日期
1986.05.20
申请人
BERA ANSTALT
发明人
WALDER R.
分类号
C09C1/00;B01J4/00;B01J19/26;C09C1/50;(IPC1-7):C09C1/48
主分类号
C09C1/00
代理机构
代理人
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地址
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