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经营范围
发明名称
Steam generator
摘要
申请公布号
US2622184(A)
申请公布日期
1952.12.16
申请号
US19480063331
申请日期
1948.12.03
申请人
PAUL JOHNEAS
发明人
JOHNEAS PAUL
分类号
F22B1/28;F22B27/16
主分类号
F22B1/28
代理机构
代理人
主权项
地址
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