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发明名称
摘要
申请公布号
SU364768(A1)
申请公布日期
1972.12.28
申请号
SU19711671419
申请日期
1971.06.14
申请人
发明人
分类号
F16B2/16;(IPC1-7):F16B2/16
主分类号
F16B2/16
代理机构
代理人
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地址
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