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经营范围
发明名称
Inside micrometer
摘要
申请公布号
US2311477(A)
申请公布日期
1943.02.16
申请号
US19420434081
申请日期
1942.03.10
申请人
SEMERAK WILLIAM A
发明人
SEMERAK WILLIAM A.
分类号
G01B3/18
主分类号
G01B3/18
代理机构
代理人
主权项
地址
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