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发明名称
PAPER FEEDING MECHANISM
摘要
申请公布号
CA392248(A)
申请公布日期
1940.10.29
申请号
CAD392248
申请日期
申请人
JOHN Q. SHERMAN
发明人
ALBERT W. METZNER
分类号
主分类号
代理机构
代理人
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地址
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