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发明名称
Combination measuring device
摘要
申请公布号
US2250830(A)
申请公布日期
1941.07.29
申请号
US19400368064
申请日期
1940.11.30
申请人
QUON WEE
发明人
GONZALES ANDREW
分类号
主分类号
代理机构
代理人
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地址
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