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经营范围
发明名称
Gear testing apparatus
摘要
申请公布号
US2444016(A)
申请公布日期
1948.06.22
申请号
US19450585915
申请日期
1945.03.31
申请人
HAMILTON WATCH COMPANY
发明人
JR. WILLIAM OGLE BENNETT,
分类号
G01M13/02
主分类号
G01M13/02
代理机构
代理人
主权项
地址
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