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发明名称
Metering device
摘要
申请公布号
US2176673(A)
申请公布日期
1939.10.17
申请号
US19360098138
申请日期
1936.08.27
申请人
SEARS, ROEBUCK AND CO.
发明人
KRAUSE ALBERT W.
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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