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发明名称
Heater
摘要
申请公布号
US1772295(A)
申请公布日期
1930.08.05
申请号
US19260093845
申请日期
1926.03.11
申请人
FREDERICK C. MATTHAEI
发明人
SNELL SAMUEL A.
分类号
B60H1/00
主分类号
B60H1/00
代理机构
代理人
主权项
地址
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