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发明名称
Fremgangsmåde til fjernelse af sugetragte i støbegods, navnlig stålstøbegods.
摘要
申请公布号
DK79843(C)
申请公布日期
1955.09.12
申请号
DK19520003907
申请日期
1952.12.06
申请人
TOR FJALAR HOLMBERG
发明人
TOR FJALAR HOLMBERG
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主分类号
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