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发明名称
Differential indicating gauge
摘要
申请公布号
US1887804(A)
申请公布日期
1932.11.15
申请号
US19280322907
申请日期
1928.11.30
申请人
JAS. P. MARSH CORPORATION
发明人
FABER GUY S.
分类号
G01L7/04
主分类号
G01L7/04
代理机构
代理人
主权项
地址
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