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发明名称
SECTIONAL GEARS
摘要
申请公布号
CA610318(A)
申请公布日期
1960.12.13
申请号
CAD610318
申请日期
申请人
HENRY Y. LEE
发明人
HENRY Y. LEE
分类号
主分类号
代理机构
代理人
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