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经营范围
发明名称
SELF-SEALING WASHER
摘要
申请公布号
YU43248(B)
申请公布日期
1989.06.30
申请号
YU19810002783
申请日期
1981.11.26
申请人
FREUDENBERG CARL
发明人
PESCHGES K J
分类号
F16B43/00;F16J15/06;F16J15/10;(IPC1-7):F16B39/24;F16B43/02
主分类号
F16B43/00
代理机构
代理人
主权项
地址
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