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发明名称
(A1 B1) ;COUPLING SLEEVE PROVIDED WITH LOCKING MEANS FOR PIPES CONNECTION
摘要
申请公布号
HR990330(A1)
申请公布日期
2000.10.31
申请号
HR19990000330
申请日期
1999.10.27
申请人
发明人
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主分类号
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