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发明名称
Liquid level control means
摘要
申请公布号
US2374076(A)
申请公布日期
1945.04.17
申请号
US19430496297
申请日期
1943.07.27
申请人
PITNEY-BOWES POSTAGE METER CO.
发明人
BURCKHARDT ALFRED;EDMAN JOSEPH V.
分类号
G05D9/02
主分类号
G05D9/02
代理机构
代理人
主权项
地址
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