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发明名称
SISTEMA DI ANELLI DI TENUTA PER PISTONE
摘要
申请公布号
IT1043231(B)
申请公布日期
1980.02.20
申请号
IT19750028108
申请日期
1975.10.08
申请人
A T O INC
发明人
分类号
F16J15/24;F16J9/06;(IPC1-7):F15B/
主分类号
F16J15/24
代理机构
代理人
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地址
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