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发明名称
Procédé de fabrication de ciment en partant de roches bitumineuses
摘要
申请公布号
FR901321(A)
申请公布日期
1945.07.24
申请号
FRD901321
申请日期
1944.01.19
申请人
METALLGESELLSCHAFT AKTIENGESELLSCHAFT
发明人
分类号
C04B7/30
主分类号
C04B7/30
代理机构
代理人
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