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发明名称
Perfectionnements apportés aux dispositifs pour la fabrication de suie de gaz
摘要
申请公布号
FR1046758(A)
申请公布日期
1953.12.09
申请号
FRD1046758
申请日期
1951.07.27
申请人
INTERNATIONALE GAS-RUSS AKTIENGESELLSCHAFT
发明人
分类号
C09C1/50
主分类号
C09C1/50
代理机构
代理人
主权项
地址
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