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发明名称
Bouterolle
摘要
申请公布号
FR740070(A)
申请公布日期
1933.01.20
申请号
FRD740070
申请日期
1932.07.18
申请人
DEUTSCHE EDELSTAHLWERKE AKTIENGESELLSCHAFT
发明人
分类号
B21J15/36
主分类号
B21J15/36
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