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发明名称
EXPANSION SHELL
摘要
申请公布号
CA748157(A)
申请公布日期
1966.12.13
申请号
CAD748157
申请日期
申请人
THE EASTERN COMPANY
发明人
FREDERICK P. DICKOW
分类号
主分类号
代理机构
代理人
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地址
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