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发明名称
ELECTRIC HEATING ELEMENT MAKING METHOD
摘要
申请公布号
CA440381(A)
申请公布日期
1947.03.25
申请号
CAD440381
申请日期
申请人
THE CANADIAN CHROMALOX COMPANY LIMITED
发明人
BASIL HORSFIELD;EDWIN L. WIEGAND
分类号
主分类号
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