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经营范围
发明名称
Improvements in or relating to revolving internally heated cylinders or like vessels
摘要
申请公布号
GB371703(A)
申请公布日期
1932.04.28
申请号
GB19310020910
申请日期
1931.07.22
申请人
JOHN WATSON
发明人
分类号
D21F5/10
主分类号
D21F5/10
代理机构
代理人
主权项
地址
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