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发明名称
Metering device
摘要
申请公布号
US2578994(A)
申请公布日期
1951.12.18
申请号
US19480061095
申请日期
1948.11.19
申请人
DUNAWAY THOMAS J
发明人
DUNAWAY THOMAS J.
分类号
D06F39/02
主分类号
D06F39/02
代理机构
代理人
主权项
地址
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