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发明名称
An improved process for the manufacture of artificial porphyry or artificial granite
摘要
申请公布号
GB579295(A)
申请公布日期
1946.07.30
申请号
GB19440004241
申请日期
1944.03.07
申请人
IVAN ORSINI
发明人
分类号
C04B40/00
主分类号
C04B40/00
代理机构
代理人
主权项
地址
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