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发明名称
Sätt att framställa porösa plattor och andra föremal av en massa med gips som huvudsaklig bestandsdel
摘要
申请公布号
SE101077(C1)
申请公布日期
1941.03.11
申请号
SE19390001459
申请日期
1939.03.13
申请人
SILFVERSPARRE W A
发明人
分类号
主分类号
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