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发明名称
Improvements in or relating to hot-water bottles with electric immersion heaters
摘要
申请公布号
GB494785(A)
申请公布日期
1938.11.01
申请号
GB19370020107
申请日期
1937.07.20
申请人
GEORGE THORNTON-NORRIS
发明人
分类号
A47J41/00
主分类号
A47J41/00
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