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经营范围
发明名称
WERKWIJZE VOOR HET BEREIDEN VAN SALPETERZUUR.
摘要
申请公布号
NL188033(C)
申请公布日期
1992.03.16
申请号
NL19780006528
申请日期
1978.06.16
申请人
BOC LIMITED TE LONDEN, GROOT-BRITTANNIE.
发明人
分类号
C01B21/26;(IPC1-7):C01B21/40
主分类号
C01B21/26
代理机构
代理人
主权项
地址
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