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发明名称
Master gear
摘要
申请公布号
US2780007(A)
申请公布日期
1957.02.05
申请号
US19540461761
申请日期
1954.10.12
申请人
ILLINOIS TOOL WORKS
发明人
POMERNACKI HENRY
分类号
G01B5/20
主分类号
G01B5/20
代理机构
代理人
主权项
地址
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