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发明名称
Fremgangsmaade til Bøjning af forholdsvis tykvæggede Rør med i Rørtværsnittet fresmpringende Folder.
摘要
申请公布号
DK43955(C)
申请公布日期
1931.04.07
申请号
DKD43955
申请日期
1929.11.13
申请人
ALLGEMEINE ROHRLEITUNG AKTIENGESELLSCHAFT;FRANZ SEIFFERT & CO., AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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