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发明名称
Hot water supply system
摘要
申请公布号
US1969460(A)
申请公布日期
1934.08.07
申请号
US19330687879
申请日期
1933.09.01
申请人
FRANCES W. M. GLENN
发明人
GLENN FRANK F.
分类号
F24D3/00
主分类号
F24D3/00
代理机构
代理人
主权项
地址
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