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发明名称
FORMNINGS- OCH TAETNINGSRING
摘要
申请公布号
FI66477(B)
申请公布日期
1984.06.29
申请号
FI19750002458
申请日期
1975.09.01
申请人
RIEBER & SOEN A/S
发明人
PARMANN GUNNAR
分类号
F16L21/02;F16L47/08;F16L47/10;(IPC1-7):F16L47/06
主分类号
F16L21/02
代理机构
代理人
主权项
地址
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