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发明名称
METHOD TO MANUFACTURE SEALING NIPPLES OR PLUGS
摘要
申请公布号
US5179853(A)
申请公布日期
1993.01.19
申请号
US19910658318
申请日期
1991.02.20
申请人
VALTER, LOLLI
发明人
NICOLETTI, BRUNO
分类号
B21D51/44;F24H9/12;F28F9/26
主分类号
B21D51/44
代理机构
代理人
主权项
地址
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