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经营范围
发明名称
Gauging rod
摘要
申请公布号
US1789610(A)
申请公布日期
1931.01.20
申请号
US19290347823
申请日期
1929.03.18
申请人
SIMON TONIETTI
发明人
TONIETTI SIMON
分类号
E01B35/02
主分类号
E01B35/02
代理机构
代理人
主权项
地址
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