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发明名称
HECTOGRAPH PRODUCTS AND PROCESSES
摘要
申请公布号
CA753183(A)
申请公布日期
1967.02.21
申请号
CAD753183
申请日期
申请人
COLUMBIA RIBBON AND CARBON MANUFACTURING CO.
发明人
DOUGLAS A. NEWMAN;ALLAN T. SCHLOTZHAUER;HARRISON W. BOYLAN
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