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发明名称
Dispositif pour exécuter par laminage des filetages extérieurs
摘要
申请公布号
FR906693(A)
申请公布日期
1946.01.16
申请号
FRD906693
申请日期
1944.08.08
申请人
DEUTSCHE ROHRENWERKE A. G.
发明人
分类号
B21H3/04
主分类号
B21H3/04
代理机构
代理人
主权项
地址
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