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发明名称
ARRANGEMENT FOR INDICATING THE RATE OF CHANGE OF A PHYSICAL EFFECT
摘要
申请公布号
CA520830(A)
申请公布日期
1956.01.17
申请号
CAD520830
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
WILLIAM L. GARFIELD
分类号
主分类号
代理机构
代理人
主权项
地址
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