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经营范围
发明名称
SELFFTIGHTENING RING PACKING
摘要
申请公布号
JPS52112048(A)
申请公布日期
1977.09.20
申请号
JP19770008613
申请日期
1977.01.28
申请人
FREUDENBERG CARL
发明人
HANSU HERUMAN JITSUKU;EERITSUHI HAABERU
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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