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发明名称
Improvements in or relating to the preparation of cyanates
摘要
申请公布号
GB339220(A)
申请公布日期
1930.12.04
申请号
GB19300008878
申请日期
1930.03.19
申请人
DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT
发明人
分类号
C01C3/20
主分类号
C01C3/20
代理机构
代理人
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