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发明名称
RHEOSTAT
摘要
申请公布号
CA359130(A)
申请公布日期
1936.07.14
申请号
CAD359130
申请日期
申请人
THE CHICAGO TELEPHONE SUPPLY CO.
发明人
NEWTON C. SCHELLENGER
分类号
主分类号
代理机构
代理人
主权项
地址
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