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经营范围
发明名称
Gauging device for piston rings and other objects
摘要
申请公布号
US2487629(A)
申请公布日期
1949.11.08
申请号
US19450624896
申请日期
1945.10.26
申请人
THE SHEFFIELD CORPORATION
发明人
ALLER WILLIS FAY;MCCONNELL DAVID H.
分类号
G01B11/16;G01B11/24
主分类号
G01B11/16
代理机构
代理人
主权项
地址
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