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经营范围
发明名称
Gauging apparatus
摘要
申请公布号
US1897566(A)
申请公布日期
1933.02.14
申请号
US19290329912
申请日期
1929.01.02
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
ALDEN JOHN LESLIE
分类号
主分类号
代理机构
代理人
主权项
地址
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