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发明名称
FLANSCHVERBINDUNG UND VERFAHREN ZUM ANBRINGEN DER FLANSCHE DER FLANSCHVERBINDUNG
摘要
申请公布号
AT337503(B)
申请公布日期
1977.07.11
申请号
AT19740009352
申请日期
1974.11.21
申请人
HEFEL WALTER
发明人
分类号
F16L23/02;F16L23/026;F16L23/032;F16L23/04;F16L23/18;(IPC1-7):F16L23/00
主分类号
F16L23/02
代理机构
代理人
主权项
地址
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