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发明名称
SELF-PRESSURING INK RESERVOIR FOR BALL-POINTED WRITING IMPLEMENTS
摘要
申请公布号
CA489110(A)
申请公布日期
1952.12.23
申请号
CAD489110
申请日期
申请人
W. A. SHEAFFER PEN COMPANY
发明人
CLARENCE K. REIMAN;MAX KNOBEL
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主分类号
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