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发明名称
Perfectionnements à la fonderie de précision par le procédé à cire perdue
摘要
申请公布号
FR1070586(A)
申请公布日期
1954.07.29
申请号
FRD1070586
申请日期
1952.11.14
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
B22C7/02
主分类号
B22C7/02
代理机构
代理人
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