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经营范围
发明名称
Improvements in or relating to portable boilers
摘要
申请公布号
GB565931(A)
申请公布日期
1944.12.05
申请号
GB19430007045
申请日期
1943.05.04
申请人
WILLIAM DUCHATEL WOELLWARTH
发明人
分类号
E01C19/08
主分类号
E01C19/08
代理机构
代理人
主权项
地址
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