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经营范围
发明名称
Production of impermeable bodies of graphite
摘要
申请公布号
GB725053(A)
申请公布日期
1955.03.02
申请号
GB19530015016
申请日期
1953.05.29
申请人
AKTIENGESELLSCHAFT KUEHNLE, KOPP & KAUSCH
发明人
分类号
C04B35/52
主分类号
C04B35/52
代理机构
代理人
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