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发明名称
ELECTRIC RESISTANCE HEATING AND INSULATING SYSTEM FOR ELONGATED PIPES
摘要
申请公布号
CA816266(A)
申请公布日期
1969.06.24
申请号
CAD816266
申请日期
申请人
TRANS CONTINENTAL ELECTRONICS CORP.
发明人
HANS ROLFES
分类号
主分类号
代理机构
代理人
主权项
地址
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