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经营范围
发明名称
VACUUM FLASKS
摘要
申请公布号
CA498772(A)
申请公布日期
1953.12.29
申请号
CAD498772
申请日期
申请人
BRITISH VACUUM FLASK COMPANY LIMITED
发明人
MAURICE A. HASSID;ERNEST VENIS
分类号
主分类号
代理机构
代理人
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