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经营范围
发明名称
LIQUID HEAT TREATING SYSTEM
摘要
申请公布号
CA377615(A)
申请公布日期
1938.11.08
申请号
CAD377615
申请日期
申请人
FRANK D. CHAPMAN
发明人
FRANK D. CHAPMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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