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发明名称
NON-SMUDGING DUPLICATING INK
摘要
申请公布号
CA512971(A)
申请公布日期
1955.05.17
申请号
CAD512971
申请日期
申请人
ONTARIO RESEARCH FOUNDATION
发明人
WILLIAM N. B. ARMSTRONG;HYMAN S. KREDENTSER
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