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发明名称
Heater
摘要
申请公布号
US2341549(A)
申请公布日期
1944.02.15
申请号
US19420431539
申请日期
1942.02.19
申请人
HELMICK PAUL F
发明人
HELMICK PAUL F.
分类号
B60H1/18
主分类号
B60H1/18
代理机构
代理人
主权项
地址
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