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发明名称
Improvements relating to the production of calcium carbide
摘要
申请公布号
GB782426(A)
申请公布日期
1957.09.04
申请号
GB19540030685
申请日期
1954.10.25
申请人
STAMICARBON N.V.
发明人
分类号
C01B31/32
主分类号
C01B31/32
代理机构
代理人
主权项
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