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发明名称
Process of and apparatus for warming and cleaning pools
摘要
申请公布号
US1762366(A)
申请公布日期
1930.06.10
申请号
US19280301891
申请日期
1928.08.24
申请人
TEST SKILES E
发明人
TEST SKILES E.
分类号
F24J2/42
主分类号
F24J2/42
代理机构
代理人
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