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发明名称
WALL AND PARTITION CONSTRUCTION
摘要
申请公布号
CA501606(A)
申请公布日期
1954.04.20
申请号
CAD501606
申请日期
申请人
CANADIAN GYPSUM COMPANY LIMITED
发明人
GEORGE W. BAKER
分类号
主分类号
代理机构
代理人
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