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经营范围
发明名称
ELECTRICAL HEATING ELEMENTS
摘要
申请公布号
US3427421(A)
申请公布日期
1969.02.11
申请号
USD3427421
申请日期
1966.02.25
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
WILFRID G. MATHESON;JAMES P. CLUNE;THEODORE J. PRICENSKI
分类号
F27D11/06;H05B3/24;H05B6/36;(IPC1-7):H05B5/02
主分类号
F27D11/06
代理机构
代理人
主权项
地址
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