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经营范围
发明名称
BUILDING DECK
摘要
申请公布号
CA347520(A)
申请公布日期
1935.01.15
申请号
CAD347520
申请日期
申请人
THE CANADIAN GYPSUM COMPANY LIMITED
发明人
MICHAEL G. VASS
分类号
主分类号
代理机构
代理人
主权项
地址
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