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发明名称
Boiler
摘要
申请公布号
US1949939(A)
申请公布日期
1934.03.06
申请号
US19310578018
申请日期
1931.11.30
申请人
SIMMONS CHARLES L
发明人
SIMMONS CHARLES L.
分类号
F22B13/02
主分类号
F22B13/02
代理机构
代理人
主权项
地址
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