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发明名称
CUTTING DEVICE
摘要
申请公布号
CA372447(A)
申请公布日期
1938.03.15
申请号
CAD372447
申请日期
申请人
THE CANADIAN GYPSUM COMPANY LIMITED;THE UNITED STATES GYPSUM COMPANY
发明人
HARRY A. CUMFER
分类号
主分类号
代理机构
代理人
主权项
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