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发明名称
Method of feeding water to boilers
摘要
申请公布号
US1957553(A)
申请公布日期
1934.05.08
申请号
US19310581662
申请日期
1931.12.17
申请人
THE SUPERHEATER COMPANY
发明人
OSTERMANN RUDOLF M.;SHERIDAN SIDNEY A.
分类号
F22D1/42
主分类号
F22D1/42
代理机构
代理人
主权项
地址
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